While that might be so, I can still buy original spare parts for my 25 years old car and I could still service it at official repair shop if I wanted to.

It should be regulated similar to how cars are regulated - with mandatory service and spare parts for many years.

This is a common practice in databases, you just mark record as deleted and make data unidentifiable.

Better, but still annoying

Testflight distribution quickly expires. What is it, 30 days?

Indeed, that really is awful. Good luck sending that so to your friends without making it public in app store.