Well, to get to the continue button you have to click once, then after you click continue you have a new dialog asking if you're sure you want to trust the cert

Well, to get to the continue button you have to click once, then after you click continue you have a new dialog asking if you're sure you want to trust the certificate and whether you want to trust just for the session or permanently. It's not idiot-proof, but then nothing in software ever is.