Interesting. I have always used their web app (even on mobile, i just use their pwa instead of the native app since the native app is missing obvious features), and I haven’t had any issues, but I can definitely understand the frustration if you want to use anything else. OP, keep that in mind if you’re thinking about Proton!
This post reads like someone took a bunch of Adderall and went through Wikipedia for hours but didn’t actually understand anything they read. Drink some water and get some sleep, bud.