Uptime isn't quality. Perf and reliability are easily faked with the right metrics. It's trival to be considered working on PowerPoint without working well for the user.
Opinions like that are why software quality sucks. And why using software is so painful for most people. "I have to use a stroller to set my phone number on the UI." "Sure, but uptime if 5 9's, so it's quality software".
Lol, saying uptime is needed for quality of why software quality sucks? What? Uptime is part of quality, it is not the sole determination of quality. You seem to be purposefully misunderstanding that concept.