Should we let our kids fight it out? (Assuming no one is getting physically hurt)

Here's an article:http://ift.tt/2CXoT8J TL;DR is that some cultures just let kids fight it out and only step in if physical harm is imminent.What says r/parenting? Should we let our kids fight it out and gain the experience of solving issues on their own or should we step in? via /r/Parenting http://ift.tt/2F2yBqK