It's not new in this world 
. If you've joined this world for years I think it's very normal and Binance is not the only exchange did that. Coinbase is also do the same when the whole market pump or dump ). They often close their exchange to prevent investors and traders from buying or selling cryptocurrency at that time, although they announced that their website has some problems need to be solved but I don't think so cause these problems always appear when BTC and ETH price pump to a new ATH or dump to really low price ).
. If you've joined this world for years I think it's very normal and Binance is not the only exchange did that. Coinbase is also do the same when the whole market pump or dump ). They often close their exchange to prevent investors and traders from buying or selling cryptocurrency at that time, although they announced that their website has some problems need to be solved but I don't think so cause these problems always appear when BTC and ETH price pump to a new ATH or dump to really low price ). Its not new, but its also not right. Its bad business to shut people.out during the time they are to make profit when they have taken the risk of holding during the time things were down that they didn't even know for certain if the market would pick up or not but eventually when it did, they were denied the opportunity to make money. All of this unethical business practices are only passing through because there is no regulation and no one to make them responsible that is why they believe they can continue to do it and nothing would happen. Its wrong and should not be allowed.