When regs complain about ss's, they're not talking about guys who buy in short and are bad players - disappointing that they only give up a few bb's at a time (+1 to Geoff), but such is life.
What the regs are complaining about are the guys who follow ss'ing strategy intelligently - nobody's using smart ss strategy at 10nl, it's not worth it, you start seeing it at 50nl+.
The "smart" ss's are playing a strategy that:
1. forces all in decisions preflop or on the flop - the better the player, the more they're paying attention to your opening ranges by position, fold to 3bet %, etc. when deciding whether to shove or not
2. they rathole when they double up (so the money lost to the ss disappears from the table)
3. makes it difficult to play deepstack poker against other players on the table (hard to play at BB from CO when BTN is a ss that shoves all in pf when you open the BTN, even if you're ok calling, BB probably folds)
4. relies on mass multi-tabling to generate acceptable hourly winrates - so they're playing 12+ tables, and when they double up on one table, they go find another table, which means they're popping up on the regs' other tables.