It's not, it's double negative. "Which company is performing...certainly google..."
Or that's how I see grandparent statement. Also can be interpreted as sarcasm if you want. I find English weird in that.
I was going to type the sentence differently, but then had a brain fart. Sorry about that :)
Google is well on its way in its mission of installing toll booths on the internet, and shredding any notion of privacy we had on the internet. Apple's busy robbing 30% of sales of small businesses via its App Store, and robbing you via the extended warranty program while choking the repair industry. Microsoft is continuing to further lock you into their eco-system and keeping you running on their subscription treadmill.