Yep. Verified boot is designed to erase your ability to use banking apps, streaming apps, etc. if you touch any of the code running on the system. Because it's "insecure" to change anything from the default. (read: "insecure" to reduce the amount of remote control that big tech has over your phone)

When I buy a phone, I don't want to use something owned by someone else. I want to own it myself.

Mobile Linux is absolute garbage though, even worse than desktop Linux, which is why I can't realistically use either.