The teams weren't deleted just removed.
there is a fix for that, but it would take some work by the mods and inconvenience. The league could be changed temporarily to invite, invites could be sent to the affected teams. You'd want to email the teams ahead of time to let them know
It may not have a tournament, but it will still announce end of season winners. I was only rank 60 or so, but a few more wins and I coulda been in contention for the mention on the champions thread.
Might seem like no big deal, but to me it is.
Possible other options- some sort of small award to the players affected. some cyans, or some forum flair. something acknowledging the player was unfairly hurt.
Adding the teams removed who were in the top 100 to the season champions list as honorable mentions. Some players, like me, actually do care about dumb things like that.
An actual personal apology from the one responsible. Not generic crap about invoncenience. They emailed the ban letter, they can email an apology to the players too.
Some other meaningless award would be fine. its more about acknowledging the mistake rather than calling it a glitch to disown it then anything else.