[imedic]

At this rate in 5 years will surf the net with Chrome, search with Google, mail with gmail, use Gwindows as operating sistem and have credit cards Gfinancial ... just for the sake of having better ads
Is admirable what the founders did with Google but growing to be a multinational corporation can change the original intention of the founders (to help you find stuff on the net) to the more prozaic and understandable goal of making more money. Stripping of the moral values could led to nasty stuff in the future so I will better stop a good product than have the suspicion that can lead to unwanted control over my info.

I am from a former comunist party and from stories I have heared from my father comunism has landed smoothly in the minds of simple people untill it was tool late.

And just another comment: How many of your forum users know more than just clicking links in a browser already installed? Let along find a setting or know about it.

May it is a good adition to this mod a less violent aproach: Detect the browser and just display a warning notice (and let him browse):
You are using XXXXX a potential unsafe browser please see here more details... For safer browsing experience we recomend ...

So you show concern about your users browsing safety. Stopping him will just piss him off because he will not understand the reason.

As second option you can buy Google and change the aproach