Nah, this is no worse than making IE skins for Firefox, which have existed for some time. The .NET Firefox plugin was significantly more invasive, since it was

Nah, this is no worse than making IE skins for Firefox, which have existed for some time. The .NET Firefox plugin was significantly more invasive, since it was automatically installed without user consent. As long as this plugin is voluntary, there's nothing serious about it imo -- it's more a fun prank that people may have developed with or without Google's help.