If there was degradation, my work would be severely impacted. I run my machines at sustained heavy load. I don’t see any difference in performance.Have you ever checked your older devices with a benchmark and seen any of the degradation, like schnaps claims? Would be interesting to see....
The internet FUD is full of sky is falling chicken little stuff. My workflows use consistently 170GB of Memory(RAM+Swap). You would think my SSD nand chip would have already failed because of Swap. Stop worrying over it unless you see degradation that impacts your work.