Social poll.

Cheat in one-sidedness. At one end of the line, a player can afford to retry, while at the other, they cannot.
Do you want to play a tournament game without having re-roll capability against an opponent who does have it?

I'll be honest, if there is a bug-free re-roll quick combat, then yes, I will play against an opponent who has it installed while I do not.
What specific advantage will this quick combat give him? Re-roll capability is not an advantage in itself, because when you attack neutrals and see they are maxed out, you still cannot completely avoid the battle. But the fact that it saves time is a fact.

P.S. The majority of Dragon Fly Hives I capture using quick combat, and I think many players do the same, because there is no escaping the dragon flies' damage.