And the board can usually tell you what part if you read out the error codes.
That's no different than the car, basically. Mechanics don't really independently diagnose stuff on modern cars anymore. They plug in the OBD scanner and the car tells them what might be wrong.
I currently have 1200 dollars and live in my mother's basement, because I'm her full time carer while she recovers from cancer. My current retirement plan is a rope. I have a master's degree in STEM, but you'd be surprised how many homeless people have those too.
Someone earning 150k would have to work thousands of years to become a billionaire, true.
The ultra rich are the true enemy, true.
But Jesus Christ, people earning 150k are not 'just scraping by'.
Seriously. Get a grip. How out of touch do you have to be to think that? No concept of what true poverty looks like.