During beta testing, we were online for months and with over 1000 teams, less than 10 teams went in to debt. Half of those that did were silly accounts run by the developers to test auctions, so they spent way too much money.
In beta I was having to cash in quite a few tokens to stay out of debt with both teams, perhaps other players were doing the same so may not have shown up as having problems?
There was a thread in the beta forum where many complained of financial problems. I had enough extra tokens from the beginning allotment to get me by but I didn't play a second season. At the current rate a new player will only last two seasons before going broke