https://www.washingtonpost.com/business/economy/whatsapp-founder-plans-to-leave-after-broad-clashes-with-parent-facebook/2018/04/30/49448dd2-4ca9-11e8-84a0-458a1aa9ac0a_story.html
Looks like FB wants to "loosen" the encryption on the app and have more data collection as well.
i'd assume that it isn't and stick to that head between knees position and kiss your data goodbye :)