So...he's crazy and evil because his old man made him spend the night in a creepy old house?
Fing Fang Fuck you Norman Osborne, you think this is supposed to make me feel even a shred of sympathy or empathy for you, against all you've done to Peter and everyone he cares about?
You know, having a crappy childhood is all well and good, and it can inspire sympathy for a villain, but only to a fucking point. I don't care if Hitler's dad ran out on him, he was still the sick fuck who committed genocide and tried to conquer the world.