indeed, i have the same opinion :D
Apple probably would use that to parse some more private info on its users... the joke laid aside, i guess that it's about the progress itself rather than the applicability of this technology, since the app developers are actually the ones that should use that.
As far as I know Netflix is supported on Droid Incredible, Evo 4G, T-Mobile G2, Nexus One and Nexus S. I suppose that other devices should be supported soon.