I got the confirmation mail instantly. Also reaction of the website was different. Before it was not doing anything when I click withdraw.
After that there appear the message confirmation mail sent and it really arrived instantly. When I withdrew everything was smooth last week.
That's what it sounds like when the service is working normally. That's why they gained a certain reputation and were considered reliable.
Still, it remains a mystery, that's why it was difficult to publish some information about the status of the service. Upgrading and correcting errors are not bad things, on the contrary.