The stock market would function just fine without them. It is malarky that they ncrease liquidity. All they do is depress prices causing layoffs, stagnation and loss of wealth to investors snaked out of their perfectly good positions. 0+ ticks are a joke. They should be banned. And if there is another leg down, there will be serious reform and restriction. Let the short sellers do something productive.
I think short sellers are an important part of the mkt as they allow us buyers a source of product. Without them, the buyers would be forced to jump through hoops to get product. The lying, false rumour spreading traders are the real economic terrorists.