I just went back and checked again. "Tom" has posted the following bulletin:

if you got locked for being phished in the last hour, it's a bug! we're working on fixing it right now. sorry about that! the mechanism to detect if your account has been phished has been very powerful for stopping phishing, but it went a little haywire just now. things should be back to normal soon! if you're wondering what phishing is, read my blog

So... I guess there we go