Signal called WhatsApp’s new AI update a “privacy nightmare” — and the apps now feel worlds apart.Credit: Rahul Shah from Pexels via Canva.com
Most rivalries usually unfold behind the boardroom doors. But not this one. Signals President Meredith Whitaker took to social media to criticise WhatsApp’s latest AI-powered update, accusing it of crossing a line into surveillance advertising. There was no vague wording, no corporate diplomacy, just that direct public take-down.
At the heart of this is WhatsApp’s new push to integrate ads and a floating AI assistant into the application. Meta is framing this as innovation, while Signal calls it a betrayal of users’ privacy. So what’s actually happening, and why is this class making so much noise, especially now?
The public callout that lit the fuse
This was no blog post; it wasn’t an interview. It was a single sharp tweet where Signal’s president, Meredith Whitaker, did not hold back when she accused WhatsApp of surveillance advertising, which is a direct hit on this newest attempt to monetise its messenger with AI and ads.
The update in question?
- WhatsApp has begun experimenting with ads inside its update tab, where users typically find statuses.
- It’s testing an AI assistant that can float inside the chats. Helpful and optional.
- However, if you think about it, for privacy advocates, such as Whitaker, this is something entirely different; it’s a shift towards invasive tracking.
For users, they saw Meta implementing the AI chat assistants first and now with advertising monetising the platform. WhatsApp’s own brand was built on a free tool that prioritised privacy and encryption.
Whittaker believes people deserve privacy and is showing how AI chat assistants are extracting data under the guise of convenience. Her message wasn’t just directed at WhatsApp — it was aimed at users, regulators, and anyone still assuming end-to-end encryption is the whole story.
Signal vs Meta
For years, Signal has positioned itself as the anti-Meta; it has no ads, no tracking, and no metadata retention. Unlike most messaging applications, Signal’s promise has never wavered, even as AI hype has swept through the industry. Whittaker’s criticism wasn’t only about WhatsApp’s new tools but also about what they represent.
- WhatsApp has 2 billion monthly users, and even a mild rollout will result in significant revenue.
- The Signals team views this as a distinct cost, one that is measured in terms of surveillance creep, user trust erosion, and normalised data extraction.
Looking back on this model, it has already drawn fire in court. Meta is currently facing multiple legal challenges across Europe, and how it handles its data and consent, particularly on the GDPR rules.
- In Germany, Ireland, and Norway, regulators argue that Meta’s advertising practices are bypassing user choice.
- Relying instead on the contractual necessity to justify behavioural targeting.
Meta sees this as an Innovation, Signal sees this as an intrusion, and the line in the sand has never looked sharper.
What does this mean for the tech giants?
Meta’s move is not only about WhatsApp; they’re signalling to the rest of the industry that its users, even the most private-looking platforms, can become monetisation tools. If WhatsApp, which was once considered a relatively safe space, is now fair game for ads and AI prompts, then what is off-limits?
- This strategy itself comes with the risk, as Regulators across Europe are sharpening their enforcement of GDPR.
- Meta’s ad model can become a legal liability, not just a business asset.
- Multiple EU bodies are already accusing Meta of bypassing genuine opt-in, and under the new frameworks, such as the Digital Markets Act enforcement, they can become more aggressive.
Furthermore, Meta is risking its reputation, having spent years rebuilding trust after the Cambridge Analytica scandal, the Facebook Papers, and recurring algorithmic controversies.
By rolling out ads in WhatsApp — a space many users associate with personal, private communication — it risks reigniting old doubts.
Signal, meanwhile, is seizing the moment with vocal leadership, a philosophy and the rising media attraction. It’s securing itself as an alternative and as an ethical application.
Why this debate matters for users
For most people, messaging applications are tools for communicating with friends, family, and colleagues. However, when AI assistants are integrated into chats and ads infiltrate the status, the boundaries will begin to shift. What used to be a private channel is not being redesigned for engagement retention.
Signals’ attack on WhatsApp is more than just a PR job; it’s a line in the sand between business models that harvest data by default, and platforms that resist it.
The question isn’t whether AI and odds will reshape the applications, but whether the users will still recognise the space they started with when the updates are done.
