1) The moron did it while drunk.
2) The other guy was racing a Mercedes, so it couldn't have been much of a challenge.
3) Why don't I have a car like that? I could actually drive it worth a damn!
The almost certainly ignorant authorities think he might've been going as high as 100 mph. I guarantee you it was faster than that. I'm betting at least 150 to do that sort of damage.
Additional
Microsoft crash on Times Square -- Say
Site of "broken" signs -- This kinda reminds me of Not Fooling Anybody website of silly/bad remodels.
Strange Buildings