There is always so little Yobit can do on your case, which is always one of the reasons why people should never discard the use of 2FA. As far as Yobit is concerned, you could just be anyone trying to get in and faking an identity.
I understand that Kraken may do things differently, but in this case we are talking about Yobit, one of the shittiest exchanges we have so far which I wonder why a lot of people still make use of exchanges like this. It is always like not even valuing your own funds in the first place. Most of the whole thing eventually is your fault and it is a good thing you admitted that to yourself. My advice would be, find a better exchange and take advantage of the additional security features.