Learning to pick your fights can be a hard lesson for some.
Some people like to be in conflicts, so they rationalize it.
Conflict is a tool that if chosen should have some meaningful impact on the world around us, sometimes people are afraid to attempt reasonable persuasion.
It is easy to exhaust ourselves, and expend irreplaceable time, to no effect.
Much of the world is a series of carefully constructed hamster wheels, you can run hard and fast but you won't get anywhere :)
Discernment is often hard won.