I think most people will just stick with the default option, very few people will change the search engine even if there is another one better. I remember the

I think most people will just stick with the default option, very few people will change the search engine even if there is another one better. I remember the first years of chrome, people were using IE regardless of the fact that chrome was a superior browser. In general, I would prefer no default and the choice of the search engine be done by the user on the first access but, from the point of view of google, i think it's the best way for them to spend those moneys.