For me, Tech School at Keesler was 1964.
I think you're the first person I've met in a while older than myself. ha
I've been chasing electrons all my life, most of it designing microchips.
It's a good idea to use a storage scope to better "catch" and measure the negative going event.
Need my mailing address?
Ixnay on the Canakit if you have a model 3B+. I get the same errors, as do many others. I wish I knew what the issue was: I see undervoltage reported in the logs but it looks like a startup surge, like your lights dimming when something heavy starts up. It's not consistent and never happens during a print. ¯_(ツ)_/¯
You have seen this?
Yes, I did. These devices are failing now, even if they weren't 5 years ago. Why would I not share that?