Common man you are getting paid by them.
It's non of your business, but I have been using it before I wore the signature, and I'm sure others have been using it too.
It's illegal buddy.
Show me a regulation that says that I'm forbidden to mix bitcoin.
If you are right go ahead show your KYC and tell the people like a centralized exchange you used a mixing service.
This is one of the million reasons people avoid using centralized exchanges. There's a high chance I have my funds frozen because they don't like my inputs. I don't deal with services that require KYC to make a purchase.
Talk easy. But it's ok what will you say about a service that pays you .
I'll have to argue we're talking objectively.