I'm not too concerned about this, since the forums are separate from account logins, and I'm not stupid enough to have the same password for forums and accounts, but it does bring security in question. I would definitely love to get a dongle for my Steam account. Sure, it'd be a bit more painful and there's the risk of it getting damaged/lost, but the value of my Steam account grows every month and I'd like better protection.
"If you like it, they will stop making it" - Herblock's Law