The support is helpful and they try to solve any issues in a timely manner, so at least the goodwill is there.
Having said that, there are many tokens with almost no trading at all, so even the transaction costs for deposit and withdrawals may not be worth it in many cases due to extremely low liquidity...
This exchanger is actually quite good but many people complain. Indeed, for liquidity, this exchanger has no big liquidity like other exchangers. There are lots of altcoins traded on this exchanger and I think to trade better on a large exchanger
People are complaining because they are facing issues with the exchange, they don't find any volume to the coins which makes them lose their investment. Even they are successful in launching their IEO but they need to research an out the project in a different way, to find good companies for developments.