withdrawl fees are tip of icebergs.

and yes they do try to profit from them thats the type of site they are if you dont think so then check it out yourself when normal fees for eth are .001 theres will be .004 or higher and its just the same for almost all currencies


but they also scam 10 other ways the only reason there support exists is to scam people and make up excuses. they do many unethical things there tos is full of rules to scam people taking funds, all errors in there favor and many many more