I'll say this again, slowly. Look at the original question and read again:
IT DOES NOT HELP TO USE AN ANONYMOUS PROXY TO HIT A SITE TO WHICH YOU MUST SUPPLY A LOGIN TO ACCESS.
(Presuming of course you don't also have some sort of . . . well I don't want to colour things with the wrong adjective for those hypothetical human rights researchers but I can't think of another, but some sort of "fraudulent" means of obtaining an authentication token which can't be traced back to you).