This thread is, in my opinion, a waste of time. It's yet again
another perennial bikeshedding proposal brought up many times since at
least 2011, suggesting random changes for
non-existing(/not-yet-existing) issues.

There is a lot more complexity to the system than the subsidy schedule.

Well, the main question is what makes Bitcoin secure.

It is secured by proofs of work which are produced by miners.

Miners have economic incentives to play by the rules; in simple terms, that is more profitable than performing attacks.

So the question is, why and when it works? It would be nice to know the boundaries, no?