I have worked on several TS projects. None of them were good IMO. I'm not blaming TS. I've seen numerous bad JS projects also. I'm not passing judgment on Etsy'

I have worked on several TS projects. None of them were good IMO. I'm not blaming TS. I've seen numerous bad JS projects also. I'm not passing judgment on Etsy's code, only sharing my experience. You are correct, there is good and bad code written in all paradigms. My point was that the energy we (as an industry) employ marketing, migrating, and educating on new languages/frameworks/tools might yield more substantial results if we focused on fundamentals.