If you’re on a budget, look at the used market, you don’t have to pay those ridiculous dealer fees.

Does this work with any app or just second party ones? Can you re-enable it?

How does this affect “second-party” apps (i.e. apps you have created yourself)? Are you still allowed to go to Android studio, make an APK, transfer it to your own phone, and install that app? If no, this spells the death of experimental indie developers on Android.