Time control directly influences the quality of play.
The Soviet Union was an exception, but even there chess players were not rich. Only Fischer changed that.
The place of chess in the society is closely related to the attitude of young people towards our game.
On the other hand, chess is a mass sport now and for chess organisers shorter time control is obviously more attractive. But I think that this control does not suit World Championship matches.
When you play Bobby, it is not a question if you win or lose. It is a question if you survive.