After that pruning, you now have a new 0.1% of users using more files than the other 99.9%. Might as well prune that 0.1% of file hogs too. Rinse and repeat unt

After that pruning, you now have a new 0.1% of users using more files than the other 99.9%. Might as well prune that 0.1% of file hogs too. Rinse and repeat until you have no users left.