A man who is willing to commit suicide has the initiative.
I don't play in tournaments, but I follow some.
Nowadays the dynamic element is more important in chess - players more often sacrifice material to obtain dynamic compensation.
We can compare classical chess and rapid chess with theatre and cinema - some actors don't like the latter and prefer to work in the theatre.
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.