If a single company has this level of control over our devices we’ve already lost.

Can you imagine a company like dell decided tomorrow to only allow installation from their specific vendor locked market? People would just not buy those products, you wouldn’t be demanding dell let you install linux, you just buy something else.

Even if i had to use a pc that’s 10+ years old, id choose that over using a new pc that can only run vendor approved software. I cant imagine anything a new devive like a phone might have that would change my mind about it.

Im not a fan of proton, but this trend of blaming corps for individuals poor opsec (paying with a method linked to their real identity) is pretty lame.

Do people using these services actually expect a corporation to break laws or violate court orders on behalf of their users?

Proton regularly releases very clear info about how often they comply with legal orders, this isnt a secret and its certainly not protons fault that activists had poor opsec.

Its not up to grapheneos devs which devices support bootloader relocking with different keys, literally only pixels allow this and without it you cant properly secure the phone.