Who would have an advantage building a 5nm processor. Intel, or some random company that doesn't build processors? There is institutional knowledge, built up o

Who would have an advantage building a 5nm processor. Intel, or some random company that doesn't build processors? There is institutional knowledge, built up over every new generation. Now 7nm could be different to 10nm, but they've learnt transferable knowledge from that effort, even if its just how not to do it.