Like you mentioned in another thread, the wheel is slowing down. A computer from 2008 is a lot more useful today than a computer from 1994 in 2008 - in terms of doing contemporary stuff.What was "good" in 2008 is laughable in 2022, what is good in 2022 will be laughable in 2036. And so on. It's always been like that.
I like to compare this to the development of airplanes. There were the Wright brothers followed by huge improvements in world war one and two. Then there were the first jetplanes by the end of the 1940ies. But afterwards? The commercial plane design has not changed much since the 1970ies. The F18 is still relevant today.
As much as manufacturers try to fight it with planned obsolescence, I think we are at a point where computer design can be considered "mature". There is definitely a lot less difference between my 2019 MacBook Pro and my 2010 MacBook than between my 2010 MacBook and my 1999 iBook.