There have been 14 versions that I can find of Burke & Hare movies. They have all been horror films and all the movies have taken place in Victorian times, which doesn't make any sense.
I think the sense of community that exists with all the characters - that's the answer. The fact that they have found a family in their friends. It does give some depth and meaning to their lives.
You want to play in every game, and you especially don't want to be in the penalty box for five minutes and give the other team a chance to get a power play, and you don't want to hurt anyone on the other team.