They had significant Russian funding last I knew. Has that changed?

I agree. I could see manufacturers add anti tamper features that could brick the device if opened if people started doing this anyway.

Razor blade to specific pcb traces?

Reality check!

Same here. I missed the lecture of many math classes figuring out basic on my ti84+. I mostly wrote simple games. The calculator made it easy to experiment since all the functionality could be found in menus or a button somewhere.

I’ve been de-googling and setup my proton mail last week. I’ll look for other options.

If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck.