I think some people could (and will) argue that you haven't tested real dynamism until you've used Smalltalk or Common Lisp and that there could be a shift from

I think some people could (and will) argue that you haven't tested real dynamism until you've used Smalltalk or Common Lisp and that there could be a shift from Typescript/Rust to these. That's not my opinion, but it seems fair. There are often cycles like that, with each side getting better at each cycle.