This is a really big threat to the decentralized exchange model, I read sometimes ago that Idex would start blocking IP from US, I think the got hold of this information and want to be proactive,  if Decetralised exchanges go under then this would give ceentralised exchanges more power and hold developer hostage and need to pay through their nose to get listed on this exchanges. I know what SEC is doing is applying Scapegoat theory and wait and see the ripple effect in the space