They're a pretty small market but I found out they don't allow FE. They will stop a vendors withdrawal if they see that it was finalized early. This doesn't seem good for anyone except for the markets in that they will have more coins to steal when they exit scam. Some vendors will add extra product for FE so this seems like it will drive away vendors and thus, customers. Generally FE is good but if the market doesn't allow any vendor at all to ask for FE, that puts up red flags to me.
I agree it puts up a red flag, HOWEVER. I can't blame them for not allowing FE. I mean you see what happens when people are let to FE