"Obsolete" which I guess for you means for the bleeding edge? Larger nanometer processes will still be in use since their cost will come down. For example when

"Obsolete" which I guess for you means for the bleeding edge? Larger nanometer processes will still be in use since their cost will come down. For example when automakers stopped their orders for chips during COVID they pivoted (ported?) to higher nanometer designs because it wasn't a core requirement.