I have also never been to a game with that bad a performance or outcome. The closest I can think was UCLA where Jeff Samardzija scored the winning touchdown. Then the place blew up louder than I've ever heard it.
I would say to him that maybe it felt bad, but they had a lot of people believing in them, and they came out and put on a shit show of a performance, at the home opener. If they were ever going to get booed, it would be then. How are you not locked in for the home opener?
You can't have it all. You wanted NIL, you got it. You can't expect everyone to treat you as just a student athlete now that you are getting paid. I am one of those that believed that the education, connections, and a chance at the NFL should have been payment enough, but that ship has long sailed. Fans have a right to be upset at a dismal performance against a team you should have beaten handily or blown out. I am willing to bet money that they didn't get booed after the OSU game that they lost, because they played hard, and they almost won. Again, you put a shit product out, you can certainly expect a shit reaction from fans that paid to be there.
They need to take that reaction and use it to fuel them. You don't deserve fans just because you show up, those fans understand that you aren't going to be there forever, they are fans of the school and program. You want them to cheer for you and not boo? Give them a reason to.
I do 100% agree with some points, the loudest portion of the fan base is massively bipolar. You beat A&M and they think you're going to win it all, you lose to NIU and now you're going to be lucky to be .500 this year. I will say that the egg you lay is extra stinky when it is against an opponent of that caliber. There is never a reason for F bombs at the players. And I also hope they run the table and go deep into the playoff.