There’s an even deeper problem, which is that insurance as a system simply doesn’t make sense for things that are not rare or that affect a sizable fraction of population

If it’s that common, then there’s no need for a large bureaucracy of actuaries, accountants, agents, etc…, in the middle or to serve as your intermediaries.

And a single paperwork error every five years, causing you to spend a few hours sorting it out, would more than outweigh all the tiny advantages that might theoretically benefit the customer.