You've both missed the point of the article. The author isn't saying TS (or typed languages in general) are bad, just that the tooling and documentation for _li

You've both missed the point of the article. The author isn't saying TS (or typed languages in general) are bad, just that the tooling and documentation for _library authors_ could be better. The things the author talks about aren't even remotely possible in the type systems of pretty much any other mainstream language, so I don't know how you could interpret this as a "TS bad" post if you read past the headline.