ASML has extremely important infrastructure. I hear a lot about ASML having something that can't be replicated without billions and billions etc. But how much o

ASML has extremely important infrastructure. I hear a lot about ASML having something that can't be replicated without billions and billions etc. But how much of this is propaganda? Is it really true that this is the only way to run the semiconductor industry? Open up their tech, and then we will know for sure. A million people would race to make this as cheap as possible.