In the future to prevent crypto mixers from troubling the authority they will increase the time to do some background checks on their customer. I'm saying this due to how abusive leads to KYC in crypto casinos.
I wonder who will use them then. I guess the average joe won't have a problem with chain analysis, but I don't think they will survive long enough since it is unlikely that they will attract big customers. Any privacy enthusiast would use coinjoin or other options if that is the norm imo. On the other hand, they don't have to explicitly tell the public and just work together with the government if profit is still the goal. CMIIW.
With the news over the internet about the crypto mixer and the Bitcointalk forum banning anything that has to do with crypto mixer which crypto Twitter also talks about I don't think the average Joe will use their service and the next thing they will do now is to stop their operation as Sinbad and start operation in a new name just like they once did with Blender