Re: Google uses a lot of Macs
although many PC users would probably just click "yes.. run the darn thing" anyway
So would many Mac users. And many iOS users. And many Android users. People are dumb, something like this warning you only truly works well if you assume a technically competent user. Luckily, Google has that covered, at least amongst its engineers. Its ad sales division could still very easily be pwned by something nasty this had blacklisted, I'm sure!
The "people are stupid" philosophy is why AV software ended up with a guilty until proven innocent model, where they make it a bit of a pain to remove something from quarantine. They assume if you aren't smart enough to figure how to do that, you also aren't smart enough to know if you should...