Not taking anything away from the Polgar name, but Susan does not have the reputation of being the most ethical person in the game.
She's permabanned from the USCF over an email hacking scandal.
Also one of my chess buddies, F. Rhine got an email that he'd won a copy of Dvoretsky's Analytical manual from her site for some kind of contest.
The manual never came.
Mr. Rhine, repeatedly emailed asking about the book and they kept giving excuses about the book not being printed (which wasn't true, I've owned the damn thing for a year myself.)
Anyway, He, the USCF and the Texas SPICE institute are among a long list of chessfolk who have been burned off the board by the elder Polgar sis.
Fred Rhine is a great player, btw. He's a national and correspondence master, and had a this game published in Chess Informant: