If WE accept the behaviour because we don't want to divert, or be late, or inconvenience the majority of pax, to some degree we tacitly endorse the bad bahaviour.
Amen to that.
I am frequently surprised by tales of disruptive and drunken pax who the Captain decided weren't worth the trouble of writing a report over so they just let it go...
Own goal I'm afraid. The solution is in our hands if we choose (ie are Professional enough) to use it.