It is also important to note that bigger transistor size helps with radiation resistance, so it does not make much sense to use 5-30 nm chips in space and milit

It is also important to note that bigger transistor size helps with radiation resistance, so it does not make much sense to use 5-30 nm chips in space and military applications. Smaller power consumption absolutely does not worth reduced resistance. Also there is a big segment of small chips (e.g. RFID) for which a bigger process is cheaper. IIRC most of public transport tickets and cards in Russia are produced locally.