I do trust Open Whisper and their open source project as well. I also trust Meta to do everything possible to collect even the slightest bit of data possible. Plus as Whatsapp is completely proprietary we don’t know how the solution from Open Whisper was integrated. Why not open source it like Signal does?
One corrupt pig gone, the next one will rise, nothing will change. The chinese will continue to exploit the country, those in power (white and black) will profit from the bribes and the poor population will still think they have a race problem, not a wealthy vs. poor problem.