Or maybe that’s just a clear reduction in people playing those games at all.
For piracy related issues, it might work. What they didn't think about is that every country that is not USA, Japan or Western Europe has some form of "always on" internet. That will force those affected to rather get a cracked version. Which makes the whole "Ubisoft 1 - Piracy 0" turn to "Ubisoft 1 - Piracy 1"
Actually the people in those regions don't like the DRM either. No-one outside of Ubisoft does actually.