LTE in most places - we get 80Mbs down and 30 up here, and we are a long way from anywhere - having to use our own mast on a hilltop to get a signal.
Can't have Zoom calls on that garbage.
In EU, getting a lot more is usually not a problem
US plans have a tendency to be much worse than EU due to lower competition
The ISP does do some traffic shaping, so they'll throttle video streaming at peak hours, but a €1 a month VPN busts around that no problem.