I know Meta it's not Google, but it's worth remembering that these promises haven't had a great measure of success in the past:

> Facebook has been fined €110m (£94m) by the EU for providing misleading information about its 2014 takeover of WhatsApp. (...) When Facebook took over the WhatsApp messaging service in 2014, it told the commission it would not be able to match user accounts on both platforms, but went on to do exactly that.

https://www.theguardian.com/business/2017/may/18/facebook-fi...