Every time this comes up, I see people posting ways to solve the attendance problem in ways that just blatantly open up a Pandora’s box of other problems, but with all the unearned confidence of someone saying “hold my beer”.
Higher seed host was fine in the 80s when they used to seed the tournament geographically. When no one had to care about TV logistics. Before the Frozen Four was more profitable and schools had less of a financial incentive to have the opening rounds be “neutral”.
We’re 30, 40 years beyond that point. I love the intensity of a home playoff, but it’s not going to happen just because fans think it’d be cool.