Eh, that's not true. Dragon Ball hax always work even against stronger opponent. The only rare case it didn't work is Hit Time-Skip and the other things i forgot.
Vegito didn't resist the transmutation but still beat the hell out of Buuhan. Babidi minds control work on Dabura and his other minion and in SDBH, Babidi mind control works on being like Janemba, Hatchiyack, Bojack, Super Android 13, and other Z villains. Guldo Time-Stop work on Krillin and Gohan despite them individually stronger than Guldo. Ginyu soul swaps also work on Goku despite Goku being stronger than him.
And in DBH, you can't overpowered hax by simply stronger than your opponent, especially Time Power stuff. Time Power only negated by other stronger Time Power user.