Yes, I'm well aware of that. The point is that "The Jets" names an organization just as much as "ICANN" does. Americans do not apply the "groups are singular" rule evenly. British usage is actually more logical and consistent IMO.
By the way I'm used to the American usage, myself.
Metonymic pluralisation in British English isn't "blanket" but done with the specific intent of implying the importance of collective input. Google the corporate entity has many employees but Google's engineering team have won the search engine wars. Microsoft is still a corporate behemoth but they are often accused of being ineffective at interdepartmental communication these days.