The recommendation to not daisy-chain UPSs together is less about what makes for a cleaner setup and more about not damaging them.

https://www.eaton.com/us/en-us/support/eaton-answers/daisy-chain-ups.html

My home value hasn’t started falling yet, according to Zillow, but the appreciation seems to have leveled off.

Ahh yes, dropping nuclear weapons right next door, risking fallout in your own territory and pissing off every country around you, as well as all your allies. Why not?

Or instead of investing in a redundancy or software failsafe for the angle-of-attack sensor that was problematic back in 2019.