[DanBlake]

So to be clear:

1: Search rankings not effected, because you do a "if useragent is googlebot and iprange = x, show normal site"

2: You are going to run the advertisements on the publishers site, even if they have nasty malware attached to them and use your system resources? Not displaying those ads wont keep your computer safe. Does not seem like a good idea.

3: There is so much logic capable in JS which can determine if its being hidden or not - What color is position x,y ? Its white? thats not correct... dont load the site. There could be a infinite amount of these non-interaction gotchas you will not be able to automate- You will have to go back and try to write a rule each time, and that rule will be tricky if everything is randomized.