I think it’s more trying to win political favor by spending big with the company owned by a member of the incoming presidential administration.
Or it’s just wanting to market their ads on that platform and as you said, not having the balls to stick to their boycott
If the room is small enough room with the seating closet enough to the screen, a large computer monitor could do the job pretty well. You’d have to be fine with doing all input switching and audio control on a receiver or only ever use a single device as the input.