The argument there is that America has sufficiently exported enough culture via traditional means that using American products is not that strange.
Japan has a lot of cultural exporting, but certainly has its differences. And is not exactly known for being internet-forward. Korea is internet forward but is similarly culturally niche; kpop stans are pretty much in their own bubble, one that’s big enough to cause havoc in international music charts but still a bubble. And China’s Internet is double different because of the insulation of the Great Firewall.
Of course, how much stock one actually should put into this is up to the reader.