so everything we were told was correct:

1. it was L3Harris (CBS news): check

2. it was a "newer system overloading the legacy system" (Duffy): check

3. it was "old copper wires" (Duffy): check

4. it was not related whatsoever to the SMART AI system: check

5. the process of upgrading the legacy systems is part of the problem: check

6. the combination of a "newer" system with an "older" system, something that likely should have been planned for if the contractors weren't being rushed, was involved [1]: check

[1] https://www.flyingpenguin.com/faa-outage-why-duffy-is-spelle... - this is a much better article and no paywall