hunting to keep a population under control.

Trophy killing and killing for sport are done for the pleasure it gives the hunter.

I freely admit I have no idea why some find killing pleasurable.

Animals raised for consumption should be treated well - often they are not. Slaughter houses do not choose the quickest method possible. They no doubt select methods that are easier and cheapest for them.

Humans are like any other species - we have to eat to survive. Methods selected should be as quick and humane as possible. Often they are not.