Never say never. The phones in our hands are orders of magnitudes more powerful than the computer that took people into space and enabled landing on the moon. Eventually even today’s technology will be obsolete and potentially even easy to replicate in a garage. 2nm processes may be difficult, but 40nm process is certainly not impossible for hobbyists of the future.

Edit: An article about a tinkerer currently using older tech to make semiconductors in his parents’ garage.