TBF "IT" covers everything from Helpdesk to devs so I really think it just comes down to what you're doing within the field. I wouldn't mind coding all day, but doing helpdesk for any prolonged period of time is usually not fun

Not a vet, but I imagine it looks like a perfectly healthy cat moping around like it's about to die. I had a cat years ago that would get depressed anytime he would snap at my dog and then subsequently get snapped back at.

It is profitable. To car manufacturers. Without upgrades to infrastructure like roads and parking structures, congestion would eventually get so bad people would be more likely to stop buying cars and move to alternate transportation options.