there's getting stuck in, and then theres getting stuck in piddo style.
One of them IMO is a little un-sportsman like.
Fowards Flop, leave trialling legs, complain to refs about minimal contact and raise elbows in a contests it's seen as tools of the trade.
Defenders go in hard, have a bit of a niggle and sledge a bloke it's seen as unsportsman like... Go figure.