For honest, promoting casinos, gambling sites and other shit can be considered as scam. Even against Chipmixer some charges were brought that it's not a mixer at all (how can you describe yourself as a mixer if someone can create site with all connections input/output data?) The only problem, that i don't have Tor for now, so i can't verify or reject such declarations. If they are true, would you really think that our well loved and respectable members will run out this campaign? 
I doubt, for honest.
I doubt, for honest. 
The site is mostly accurate (I believe people could create their own chips to trick the site), and this is how ChipMixer works and has worked since the ANN date. This should not be a surprise. You are given fungible 'chips' created usually before your deposit was made and can spend them however you wish. It's arguably a better method of mixing than traditional mixers.
Oh no! ChipMixer has been exposed that it works exactly the way it's described! Their reputation is ruined!
Side note: The website is no longer accessible as BestMixer was seized by authorities.