[charcircuit]

>you give it root permissions

This is not possible on a device following the Android security model. Permissioned features should always be implemented using proper security mechanisms like permissions.

>don't apply to Blender

You say that until the SuperRetopologyTools5000.py addon you try out infects your system.

>Flatpak give me, the user, the power over application's permission

Most people are not going to bother with this. It's important for the defaults to be secure. People shouldn't have to opt in to a secure experience, and doing so shouldn't break the program.

[seba_dos1]

> This is not possible on a device following the Android security model.

Yes, that's the user experience on such devices. "This is not possible on a device following the Android security model, either bypass it or use another device".