>>yuvada+(OP)
It's pretty simple: this has to be wreaking havoc with Adsense - depleting ad budgets, artificially inflating CTRs, and giving website owners revenue they didn't earn. This extension also exposes website owners to unfair Adsense bans for generating high numbers of invalid clicks, which can cost them two months of revenue that is almost always withheld when Google bans a site. So by using this you could be costing someone (your favorite blogger etc.) their livelihood.
If you are going to block ads, block them. Don't click on them.