What if not everyone else on your team is paying attention to their editor's warnings? What if the LS's async response doesn't come fast enough? What if, god forbid, you have to change something on a different computer?
If it's not in your CI/CD scripts, it's not actually getting checked.
> I can reduce the webpack client build... to 3 seconds
This is about 10x longer than any interaction with a computer should be.
Sorry, I don't understand the analogy. Yes, TS allows some bugs through, and that's a problem too. But that's also a far cry from "always rely on humans to run complex processes in a consistent way."
If it's not in your CI/CD scripts, it's not actually getting checked.
> I can reduce the webpack client build... to 3 seconds
This is about 10x longer than any interaction with a computer should be.