"have had" and "works reliably" are very different things.
Every Windows and Linux machine I've used has had issues with individual apps, and most of the time I've plugged them into things that cross multiple scaling factors simultaneously, they've have had rather significant issues (when it isn't just "issues with everything except device-native"). I haven't had an issue with that at all in a few years now on my Mac, and I plug it into literally 10x more screens and configurations.
Just to add to the anecdata, my MBP would kernel panic ~25% of the time it was plugged into a 4k displayport 1.1 monitor. I'm glad your system is stable, though!
Every Windows and Linux machine I've used has had issues with individual apps, and most of the time I've plugged them into things that cross multiple scaling factors simultaneously, they've have had rather significant issues (when it isn't just "issues with everything except device-native"). I haven't had an issue with that at all in a few years now on my Mac, and I plug it into literally 10x more screens and configurations.