what an incredible waste of time. messing with dpi, crappy apps taking from here and there in 2021. linux desktop userspace is a dumpster fire
In my case, my time isn’t worthless but I do enjoy configuring my system. The tweaks shown in those blog post took me maybe half a day; I haven’t needed to make any significant changes since.
Even X11 applications work reasonably well on XWayland on e.g. GNOME, as long as all screens use 100% or 200% scaling. Unfortunately, with fractional scaling things break down with X11 applications.