We did it (past tense) in aviation, up to the point where business pressures pushed things to the edge. That's how MCAS happened and 346 people died -- because

We did it (past tense) in aviation, up to the point where business pressures pushed things to the edge. That's how MCAS happened and 346 people died -- because due to a profit motive, the minimum number of sensors (1) were installed instead of the desired safe number (3).