I have a feeling that Apple likes to give its apps special treatment just to remind everyone that they can (why that is however I don't know, maybe begging for

I have a feeling that Apple likes to give its apps special treatment just to remind everyone that they can (why that is however I don't know, maybe begging for regulation?). I wouldn't be surprised if there are still apple apps installed as system apps on iOS that could just come through the store or are using some special Apple-only API to do something trivial.