ACTUALLY, NOT ALWAYS--If you come up on a fool who hates being ignored, they can cause (more) non-law/rule-breaking drama for you. Face the bear, bravely, smartly, respectfully, honestly and directly, first. That might be all you need to put out the fire.
Absolutely, It's all about respect. Don't drag other people down to bring yourself up, ask for a hand and maybe someone will help you up. Probably the person you just knocked down. And don't sit back and watch others do it. Makes you just as guilty.