yes, and of course I have taken part in many such things myself - experiencing varying degrees of unpleasanness and varying amounts of fun.
but the heart of your post is the key bit --
but can see their place in a group of like-minded individuals
that's the point: do you have to be
like-minded to be in the rugby team? do you expect people to be like-minded ? or do you just want to people who are good at rugby.
Out in the wide world it's absolutely fine to have a club for like-minded rugby players. Indeed it's firmly in our rugby culture -- London Irish, Old Fogbottomains, The White Swan Bulldogs. There are plenty of clubs, if this club doesn't suit, find one that does. Some clubs will have an agreeable culture and find many like-minded people. Others will struggle.
But at university it's different.
There's only one rugby club. Should it be trying to attrac the best rugby players? Or is just a club for like-minded rugby players?
I think a university club needs to be more inclusive.
In fact it's university clubs where you're likely to find the very worst of these rituals.
It's not good....