No, they really are not.
http://www.engadget.com/2015/01/03/netflix-clamps-down-on-vp...
Netflix tells us that there's been "no change" in the way it handles VPNs, so you shouldn't have to worry about the company getting tough any time soon. With that said, these blocking errors started showing up in the past few weeks, so it's not clear what would have prompted them.