It may be easy to hide that as part of an update, after mainstream focus settles down. It could be part of "Various privacy improvements" changelog line and it

It may be easy to hide that as part of an update, after mainstream focus settles down. It could be part of "Various privacy improvements" changelog line and it may not be easily noticable. And if some security researcher discovers it many years later, they will say "we told everyone in 2021 we cared about children and that we would implement this".