>It's called Import Substitution. Import Substitution: A Tried and Tested Policy for Failure
Which worked exceptionally well for China, South Korea, Japan and pretty well for Russia and India.
There was a lot of other stuff than just import substitution in the Asian miracle. See https://www.astralcodexten.com/p/book-review-how-asia-works
I think to nurture developing industries, it can be fine, but at some point you have to expose them to competition if you want to exceed what the domestic market can do.