By far, the best approach I've seen is pooling players by metrics that cause the least controversy within said pools. Ban the hackers in waves for those extra s

By far, the best approach I've seen is pooling players by metrics that cause the least controversy within said pools. Ban the hackers in waves for those extra sales, ala steam. In between just match them against each other and get the popcorn. Same for griefers, tryhards, casuals, children, etc.