Even the ones that don't operate that way seem to be filled with people who are convinced that it's all a zero-sum game... leading to the same essential result.

Even the ones that don't operate that way seem to be filled with people who are convinced that it's all a zero-sum game... leading to the same essential result. The problem mainly seems to be that far from making any attempt to limit or corral that kind of behavior (and far worse) Uber either tacitly encouraged it, or almost psychotically ignored it.