Does bitstamp discriminate customers in verification process?

So, there has been this discussion where some users said that they have been verified (recently!) in matter of days, while others have been waiting weeks or even more. How is this even possible? I suspect some sort of bias or discrimination. Is it possible that e.g. customers from the USA get a preference? I am from Czech Republic a not-so-important country and I have been waiting for more than a month. I am also relatively young, so perhaps they suppose that the amount of my funds is not interesting to them? Could anyone post evidence to confirm or disprove?