[thaumasiotes]

> I always saw it as a trust-chain and think that anyone is welcomed to create a root certificate and distribute it to whomever trusts them.

Note that phones already try to prevent you from using a certificate that you provide yourself.

[fluoridation]

"Try to prevent"? What does that mean?

[trumpdong]

It means they prevent, unless you perform several undocumented arcane rituals.

[thaumasiotes]

In this case, you have to compile the OS yourself and patch the trusted certificate store.