My theory: in the past, malicious actors have created WhatsApp users who pretended to be Microsoft tech support (or similar) for phishing purposes and used offi

My theory: in the past, malicious actors have created WhatsApp users who pretended to be Microsoft tech support (or similar) for phishing purposes and used official logos and URLs as their profile pictures to make the impersonation (slightly) more believable. WhatsApp T&S team now detects what you're doing as a likely phishing attempt and deactivates it silently.