Be careful on using a mixer then sending coins to a centralized exchange or a gambling site where you have KYC.
Wrong message.
What we should be saying is "Be careful using centralized exchanges", or better yet "Never complete KYC anywhere." Mixing is not the problem. Coinjoins are not the problem. If anything, knowing how draconian the government is being with trying to surveil you and your coins, you should be mixing and coinjoining
more, not less.
VERY WRONG MESSAGE
the draconian rules exist.. ignoring them and doing things that are listed as getting you surveiled is not the cure to avoiding getting you surveilled
what you should be saying is "learn the draconian rules. then invent a service does the end result you are looking for, but sidesteps the listed details of the certain named thing
EG if taxi cabs are regulated.. create uber
if apple apps are regulated on applestore.. create googleplay or an apk repo
the solution is not to be EG a tax evader by by ignoring tax law. its to learn tax law and find the loopholes to be a tax avoider