Yes, exactly.

Typescript managed to be the best of both worlds, as you can be both lenient when you're still in the design/prototyping phase of a project, and need to test idea quickly, but also add as much type-check as you see fit when you're maintaining a project, and need to interface with lots of existing code.

As such, I'm always a bit miffed when I see so many people adamant on setting it to maximum strictness by default, under the guise of "best practice".