yobit isn't as bad as everyone says , its one of the only exchanges that allows people from middle east to buy altcoins with usd so for a person like me that is from iran yobit is an amazing exchange i know some people have bad experiences with it but just for reason that it doesn't discriminate countries like bittrex and poloniex i'm gonna be biased about it.
It's as bad as everyone says but you probably didn't have your coins stuck / frozen on yobit for weeks or months (in some cases for years) that's why you think it's not as bad. I understand that it sucks not being able to buy with fiat on other exchanges but still, what yobit does, is simply theft and manipulation in some cases too.