[yCombLinks]

If you already have an existing, functioning codebase, adding types is not saving you time (right now). It's akin to adding a lot of unit tests. You gain time later, and often indirectly from others not making mistakes your types would prevent.

[hot_gril]

Ample time passed, we added more after we were already on TS, and it wasn't helping. In fact it was a constant burden on new code.

[yCombLinks]

Alright, good luck out there. I strongly prefer types