ATC numbers took 10+ years to recover after Reagan. Not only that but more flights and longer hours means even with the former number before the trump cuts, the ATCs were struggling. While each individual cut is small, ATCs are more strained than ever, and there is also the risk of organized strikes or more mass firings. Also, it takes a while to train ATCs, so it’s not something that can be immediately rectified without rehiring the fired workers and reinstating trainees

To be more specific, the fuel tank was placed between the rear bumper and rear differential. In a rear end collision, the tank would get sandwiched by the bumper and differential, which had bolts protruding out the back and would pierce the tank, spilling fuel onto the road.

Additionally, rear end collisions would bend the frame in a way that jammed the doors so you couldnt get out.

They figured that people would die and their cost benefit analysis assumed a certain number of deaths and lawsuits. The resulting recall and larger than expected number of deaths and lawsuits made it a huge loss for them.