Considering the volume of what Intel ships and the complexity of their product, it's astounding that we are reaching back 20 years when looking for a comparable situation.
Just tracking bugs is a billion dollar industry (Atlassian, etc.)
Personally? Tonight my Firefox was rendering all images as black until I rebooted. When I press the 'stop' button after watching something on the HBO app, it doesn't stop.
https://www.reddit.com/r/softwaregore/
These aren't hypothetical vulnerabilities that a skilled attacker could discover after years of searching (as is the case with these CPU bugs) - they're right there on the surface.
This one has been present, lurking, and possibly exploited for quite a long time.
existing vs knowing is different, dont you say?
as the saying goes - computers are always in a state of error, you only notice the problem when enough occur simultaneously to make the problem visible .... or something like that.