JavaScript has to be fast because its users were traditionally captive on the platform (it was the only language in the browser). Python's users can always swa

JavaScript has to be fast because its users were traditionally captive on the platform (it was the only language in the browser). Python's users can always swap out performance critical components to another language. So Python development delivered more when it focussed on improving strengths rather than mitigating weaknesses. In a way, Python being slow is just a sign of a healthy platform ecosystem allowing comparative advantages to shine.