So what is your opinion of this method of install? http://brew.sh/
All that said, between Gmail's spam filter, my avoidance of all things bitcoin, and common sense with passwords (don't ever re-use them), most of the damage caused by this doesn't affect me.
I will note, however, that this are why "when you hit return in the URL bar, what actually happens," is a valid interview question, in the same unfortunate sense that FizzBuzz is a valid interview question.