I think it’s more to differentiate from Bluetooth (which amusingly also uses 2.4ghz)

Fair point, will keep that in mind. For anyone else allergic to clicking Reddit links, here’s the blog the author also posted the content to:

https://singlelunch.com/the-bad-economics-of-wtfhappenedin1971

Would you like me to buy a domain for $10/yr and copy and paste it onto there for you, would that make it seem more legitimate somehow?

https://www.reddit.com/r/badeconomics/comments/16igh9t/the_bad_economics_of_wtfhappenedin1971/