But it comes from Javascript and inherits its issues, and is used mostly because there is no other option on the web and that makes it popular, not its quality, but lack of options. So a closed ecosystem with just one language - Javascript, and any other languages that can be compiled to it. And Typescript is a bandaid to make sensible type system on top of Javascript, and it still leaves option open to use Javascript lack of rules. Concurrency in JS also looks junky.

And on readability Python also wins (if we prohibit stupidities like PEP 572)