Yeah, I agree with your pendulum. I noted a WaPo article above that is hinting at that swing citing the mixing of old and new as a rising trend:

https://www.washingtonpost.com/lifestyle/home/apartment-ther...

Plus, if you look at some of the most sought after stuff -- e.g., Anthropologie furniture -- it's all throw back to old era. It seems to be as much about the ways in which people shop (online vs at brick and mortar) as it is purely about changes in taste.