Because the mere fact that an entitlement for bypassing permission prompts exists, means that non-apple apps could try to exploit it (see for example the Psychi

Because the mere fact that an entitlement for bypassing permission prompts exists, means that non-apple apps could try to exploit it (see for example the PsychicPaper exploit). Designing in such a huge hole in the permission system just makes it that much more difficult to trust it.