It's probably useful, like most stuff that comes out from big companies, if you are a big company with big teams. I do not work for a big company and I will pro

It's probably useful, like most stuff that comes out from big companies, if you are a big company with big teams. I do not work for a big company and I will probably never do it again so Typescript is definitely not for me. People go in this trap again and again, including myself. "Oh this FAANG uses this, it must be great and suitible for us" - no, it's suitible for them because they have completely different problems than you and have to do stuff in a much more complicated way than you need to.