IRL a full court press doesn't really affect the opponent's stamina, while it does to the team using this defense.
FCP is really efficient against teams who lack dribbling and passing skills (and maybe experience), causing then a lot of turnovers and easy fastbreak points.
This defense is rarely used IRL in pro games because as soon as your guards have elite passing skills, then most of the traps are easily defeated.
But I agree there could be other ways in BB to counter short rosters and FCP is kind of a useless tactic in tight games