I saw the chat and lots of people are experiencing this issue.
Someone knows what's happening ? Are they gone ?
No i do not think that Etherdelta can scam. They are already earning million of dollars monthly and they just will don't want to run away with the balances and fortified that monthly incomes. These days sometime network is congested and it takes a lot of time for site to respond. They might be in maintenance mode but they should inform their customers of any such situation.
Even if it's not a scam they are vastly incompetent. They're regularly quoting incorrect gas prices in the popups to users. This causes a lot of bad jump errors which cost people money.