did you ever try it with such a real low bandwidth connection? I somehow doubt that it's really that nice to transmit WQHD desktops as is... Also I don't really get the thing about a 30 person, all hands video-conference. The only thing coming out of that (on the average 1080p screen) is gratifying the host: "all these people show up, because of meeee" (and yeah, school kids could do whatever they want in an audio conference. but kids can do that also with zoom (unless you are spying on them with the integrated spyware...) and they also can sit through one session and then replay their face all the time...