Sorry, I misunderstood you. I thought you wanted to buff the overheat upgrade across the board, which would break some characters. Your suggestion is actually quite good because you're forced to take the overheat upgrade on most All-Stars and Frozen Citron. Making it a little bit less important would allow the player to experiment with different upgrades.
It's funny that you accuse a Citron main to be anti-Citron. Well, visiting the Guide section can help
