It's probably not surprising that it happens. But still, Facebook has promised not combining any Whatsapp userdata and respecting users' privacy when they were taken over[0], and Facebook getting a €110.000.000 fine from the EU for breaking that promise three years ago [1].<p>[0] <a href="https://blog.whatsapp.com/setting-the-record-straight" rel="nofollow">https://blog.whatsapp.com/setting-the-record-straight</a>
[1] <a href="https://ec.europa.eu/commission/presscorner/detail/en/IP_17_1369" rel="nofollow">https://ec.europa.eu/commission/presscorner/detail/en/IP_17_...</a>