"The curve works very well as support as long as the legacy economy is doing well, but tends to break down when shit hits the fan like COVID, supply disruptions, proxy wars, sanctions, and the FED increasing rates faster than ever before."
I think this reveals that you do understand the pretty lines on charts aren't actual resistance or support, but that they represent very real things for which they are a proxy, such as the various actual things you mention were more meaningful than the line on the chart.
The lines on charts are useful if you understand they are proxies for actual things that influence value.
Thanks!