and if it were best of three set match it would have put him (and the crowds) out of his misery.
Margaret, this player "Bergs" came through the qualifiers, correct? And there they play BO3. So in the opening round the boy wasn't experienced to play or sustain competitive tennis after he taken the first set. Therefore Tsitsipas who's played at more GS held a decided advantage. Meanwhile the crowds had to endure fairly sub-standard tennis by "Bergs" in the second, third and half of the fourth, that's not a good look is it, particularly, as you say for the crowds who paid top dollars? Today's men's tennis there is only the slams that are BO5 all the way. Because of the modern game, mostly baseliners, lack of serve and volleying, and regular medical time outs, players leaving the courts for bathroom break, etc are now the norm, to me it makes sense for B03, maybe up to the semifinals rounds.