> Genuine question but when it comes to general purpose computing (every day use cases such as Windows, Linux, people playing games), what, really, is the alternative?
In the short term - nothing, really.
In the long term: an analogy is deferring building codes that insist on sprinklers being fitted. Nothing much bad happens until something really bad happens. Then everyone says "Why didn't you fit sprinklers?"
[ Icon - nearest thing to a sprinkler system ;-) ]