It actually didn't benefit UK though and it's not going to benefit Louisville and Duke in the long run.
Who are Louisville's best wins? If the ACC was better, Louisville would have a better resume and be better prepared for the tournament. The only thing UL has shown, is they can't beat an SEC team.
Same with duke, their best win is Auburn at home, then what, road win at Arizona ?
Right now, duke can get away with running everything through Cooper Flagg, nobody is good enough to guard him, or at least make them pay for depending on 1 main guy. Just wait until the get to the NCAAT, that won't work.