I think "winner take all" refers to certain areas, where being 20% better than a competitor can bring you 80% of the market share. (I'm not sure if this is an a

I think "winner take all" refers to certain areas, where being 20% better than a competitor can bring you 80% of the market share. (I'm not sure if this is an accurate way to view the world, but I think that's what OP was getting at)