It's telling that these come from people trying to implement tracking and high visibility into user behavior, and complaining that Apple won't let them even though Apple conceptually could.

Except ublock, which can't do what it does the way it normally does, for the same reason you can't have any plugin inspecting realtime activity and doing scriptlet injection.

You can have ad blocking. You can't have plugins with that kind of low level access to your browser activity.

You can prefer something that allows dangerous behavior as a trade-off for greater capabilities, but you can't deny it's a safety trade-off where Apple picked what's safer.