ha that’s what I do at least, a lot of people tailgate til 12:30 and get to their seats last-second.
When I went to the SatNF game against the Dolphins a few weeks ago, I went in at 6:15 PM (2 hours before kickoff, right when gates opened) and got to see Diggs playing catch with people in my section. Also, the bathrooms inside are still spotless then