The calls for violent revolt also tend to feel very scripted and forced. And nanosecond reply times as well the moment anyone advocate to not take the bait.

See, my theory is that narcissists absolutely hate themselves, to the very core. It's what drives them to work so hard at constructing and projecting a flawless idea of who they are

Uh, no, he clearly knows only hate. Including hatred for himself.

The core issue is that changing political mores have established the systematic promotion of the unqualified and sidelining of the competent.

Yeah, this is bigoted crap, through and through.

Welp. That was my only guess. Only other thoughts I have involve "force stop" the keyboard app and/or "clear cache/data".

Best of luck tracking this down!

In regular Android, there is a setting under "Sound & vibration" called "Dial pad tones". Do you have anything similar?

Edit: Or maybe they broke "TalkBack" in a recent update??