https://poloniex.com/fees/poloniex still prioritizes promotional objectives until the end of the year, they also cannot be used as a benchmark. if they really intend to be serious, the same promotion must also be conducted for poloniDEX. In general, we all think a lot of things have changed, but their services have proven popular, even users don't always see the fees set, in the end the business must still benefit the owner.
Polo deleted my friend's account, they don't have any notifications. He tried to contact support but just received silence. At the present time the email that he uses to register for the polo exchange can create a new account.
Therefore, transaction fees are not as important as reputation. Even when the polo brings the transaction and withdrawal fees to zero I never use the polo exchange, it's too dangerous for my assets.