Anecdotally at average viewing distances on my 55" TV I can’t really tell a difference. If I had an enormous TV maybe I would be able to tell. 1080 > 2160 is for sure not the leap 720 > 1080, or 480 > 720 was in the average environment that’s for sure.

As someone in and from the US, good. Private companies are far to prevalent in public institutions all over the world. Something as basic and fundamental as word processing should not be controlled by a small select few huge international companies.