Like all novel things, once you prove it can be done, someone else will do it. If you shut ASML down, some other country that is already working on it will catc

Like all novel things, once you prove it can be done, someone else will do it. If you shut ASML down, some other country that is already working on it will catch up. ASML existing is better because at least the person ahead can keep trying to remain ahead.