That was why i stopped using the word 'tech' to refer to these things. You don't suddenly go back to stop using the wheel after a time, or suddenly think that printing press was a bad idea after all. Those are techs. Many of the things we call techs nowadays are just paradigms. And frameworks are defnitely not 'new technology'.
All it takes for something to be replaced is something that does the job better. You can only really apply your definition in hindsight, after something has stood the test of time. You can't tell the difference between sails and wheels until after the rise of the steam engine.