I've found that everyone has some hypocrisies that they cling to (it's really hard to see it in yourself). I believe I do a better job of it that Facebook employees, it would be really hard to be more blatantly hypocritical than this, but it's not like I don't make similar errors all the time.

Especially on a post about them doing something decent, I can accept they are obviously hypocritical and just not be concerned with it right now.

Edit: for something like this I think about the advice "don't punish someone for doing what you want them to do". This is Facebook employees publicly signing a pro-privacy document. It's obviously self serving so it would be weird to really praise them as people who protect privacy but I'm happy to support them in this regardless.