Advances in video cards and graphics tech were overwhelmingly driven by video games. John Carmack, for instance, was directly involved in these processes and 'back in the day' it wasn't uncommon for games, particularly from him, to be developed to run on tech that did not yet exist, in collaboration with the hardware guys. Your desktop was outdated after a year and obsolete after 2, so it was a very different time than modern times where you example is not only completely accurate, but really understating it - a good computer from 10 years ago can still do 99.9% of what people need, even things like high end gaming are perfectly viable with well dated cards.
yes. a good reason to upgrade was PCIe 4.0 for I/O. GPU and SSD needs caused PCIe 5.0 to follow soon after.