I don't see a big difference between what you're saying and the person you're responding to: until the level of bugs reaches the point where it hits revenue, it doesn't make sense to invest in fixing them. There's a tolerance for some level of imperfection - in fact, expecting perfection is itself somewhat irrational here since it's not like other industries routinely deeliver perfection.

I'm also not convinced we're seeing an overall decline in software quality. There was a LOT of shit software from the 80s and 90s I don't want to go back to.

EDIT: It's a bit of a Yogi Berra - "modern software is terrible, people just shovel out crap since the customers don't want to wait!"

Why would analytics be any less capable of conveying how these attributes of a software product affect customer purchasing decisions? If the metrics relate to e.g. retention, new users etc., these are independent of which aspects of the software cause them. A correlation is a correlation. Unless there is some reason to think product managers would be especially unaware of quality as a variable to observe.