very rarely against the majority because the risk is very large, in certain matches for example many people who like a team that is known to always be able to win a match or it can be said that the team has never been defeated, but when meeting an ordinary team of course most people will be more choose the most favored team.
Have you tried doing having a big bet on the favored team and then bet small on the underdogs? That's what I'm doing sometimes when I'd like to and sometimes I get to win and then I can manage to return the loss bet amount by that.