Anecdotal: I like like my OG UDM. Bought it the year it came out. No issues in almost 7 years.

Unifi is one of those companies where this phrase applies: “when it works, it works really good.”

People will see those comments, buy the hardware, and some of them will have bad experiences. You will hear about those bad experiences way more often than someone who hasn’t had any issues with the same hardware in the same timeframe.

That’s how it is with pretty much every company who sells networking gear to consumers.