I follow what users write in the Sinbad.io Telegram group https://t.me/Sinbadio_English  I see a lot of misunderstanding of the mixer service, even some basics of Bitcoin and blockchain, maybe a little education would be helpful. For example, I saw a user who made a mistake and sent the minimum amount for mixing of 0.001, but in two transactions, from two different addresses.
There are some other very unusual questions and opinions.

I would suggest the Sinbad.io moderator, instead of just bumping this thread, write a post here and answer the user problem they are facing. I believe that it will be of help to someone as prevention.