All Apple products seem to have stagnated for the last 3-4 years. iPhones have barely noticeably changed since iPhone 6, but you especially notice it with the M

All Apple products seem to have stagnated for the last 3-4 years. iPhones have barely noticeably changed since iPhone 6, but you especially notice it with the Macbooks and iMacs--the specs have barely increased for several years but they cost the same. What's going on? Is Moore's law dead?