I don't think the schedule is particularly gruesome. Wake Forest, Minnesota, and UNLV are all winnable games for a team competing at the top of the MAC. Not saying I'd expect a Miami (OH) to win all 3, but I'd think they would win at minimum 1.
The real issue is we're projected as the 9th best team in what is arguably the worst FBS conference. Of course getting to 6 wins will be a challenge. There are only 13 teams in all of FBS that Athlon has ranked below us.