Animator claims McDonald's commercial creator ripped him off

UK animator extraordinaire Cyriak Harris posted a side-by-side animation of two herds of dancing cows. Harris' cows are on the right, McDonalds' are on the left. I'll bet McDonalds didn't know that they'd hired a rip-off ad agency.

Here's the commercial:

By the way, if you are unfamiliar with Harris' work, you are in for a treat. Here's a sample: