Kansas was playing Oklahoma today, had a lead early, and hung around the entire game. During the game, they announced on their radio network, a school email memo went out, and on Twitter that the gates are open, come on in no ticket needed. Probably a one-time thing who knows, but honestly if you don't draw fans might as well at some point let some people in for free. Maybe they buy concessions and it does create a home-field advantage.
Not like Syracuse is drawing a ton of fans for any single game. And I know the COVID rules probably prevent this from happening this year. But say in a year or so with attendance still down (because it's never good in Syracuse). Would it make sense to say show up after halftime and we will let you in for free? To try and pack the house and get some other people in there. Your die hards and most fans will have a ticket and want to see the entire game, nobody is going to give up a ticket to take advantage of this. So that wouldn't be hurt.
The economy ain't great, I know it's tough for people to find money to go to games, I understand everyone's situation is different, but you may get some stragglers to show up and want to catch a half. Ain't gonna hurt anything (assuming COVID protocols are behind us at that point as that is the only way this works).
I don't know not the worst idea ever. Kudos to Kansas for thinking outside the box.