Actually, I think it all comes down to the fact that Google's "products" are all free. I think the fact that a service is given away for free has been the loop

Actually, I think it all comes down to the fact that Google's "products" are all free. I think the fact that a service is given away for free has been the loophole for Google and Facebook to create large and powerful all-encompassing monopolies on things which really shouldn't be monopolised.