Earlier quoted context omitted.
I like being able to trust my device and my kids device, if you wan't something to hack on get a pinephone or something the reality is that billions of people need to trust their phones with their most personal information, fininaces and lives and apple's policies while sometimes annoying do a lot to build that trust they aren't a big secret and if you don't like it you're free to not buy their products
How does the option of openness interrupt your curated lifecycle?
Having the option would mean that many apps that are currently available through the App Store, and therefore broadly trustworthy, would suddenly become side-load-only and follow basically no rules at all.