> Polyester is still used extensively but it isn’t the replacement industry wanted
This is almost always the case. It's very rare that an improvement is better than the original in everything.
The new thing is always sold as universally better, and some times it takes a while for the mass consciousness of people to figure out that the new is better in some respects but the old is still better in others.
We will overshoot with GenAI and over use it. Eventually rolling back and finding a better balance.
Lewis Mumford had an essay about this - how we don’t need turn the speakers up to 10 just because we can.