To be clear the biggest losers from spoofing are HFTs and other market makers. This action is not to directly protect retail traders or normal 401k investments.

To be clear the biggest losers from spoofing are HFTs and other market makers. This action is not to directly protect retail traders or normal 401k investments. By protecting the HFTs and MMs they make the market more liquid for everyone, which is good for big investors but still not important for retail traders.