Where's the line between being the bigger person and being an enabler? Implicitly approving of abusive behavior by not challenging it will tend to lead towards

Where's the line between being the bigger person and being an enabler? Implicitly approving of abusive behavior by not challenging it will tend to lead towards that behavior continuing to be accepted in the world, all in the name of decorum. We're decoruming ourselves into the ground. It's time to be the better people - by putting an end to abuse.