The Cost of Program Error

https://en.wikipedia.org/wiki/Lion_Air_Flight_610#Aftermath

the on-board computer to believe that the aircraft is stalling, causing it to automatically initiate a dive.
All 189 passengers and crew were killed in the accident.

This was Boeing's fault, not just a programming "error":
https://www.dallasnews.com/business/airlines/2019/03/12/boeing-737-max-8-pilots-complained-feds-months-suspected-safety-flaw
Even the pilot was inexperienced.
Anyone taken a course on Engineering would know the planes didn't distribute weight properly.