I can't speak for the down-voters, but I disagree with you on the grounds that Google is not free. You seem to be confusing its users with its customers. The advertisers are the customers. The have terrible customer service for people who don't spend a bundle, you can point out faults with their penalties and get a response of "meh" (when you eventually do get a response). In principle I can see great harm from a Google monopoly, not the least harmed being myself as a small G customer.

That said, I can't argue this article specifically because I didn't rtfa, and probably won't until much later if at all.