Earlier quoted context omitted.
I assure you it's enough to display text correctly in 1080p on 15" which is not considered hidpi. You may like hidpi, and that's fine. But let's keep shifting personal standards and what's practically usable straight.
That’s just simply facts, you can read more here: https://tonsky.me/blog/monitors/
I'm using a different hidpi display as well, and don't really care for the difference. The link does discuss real issues, but does not prove anything about "text displayed correctly".