Hitler was a WW1 who served and was gassed in the trenches. He had some combat training and was a pretty intense dude.
Elon is a rich kid who got booted out of most of his startups for cause, but made enough of a golden parachute to go around buying up other people’s successful businesses, e.g. Tesla. He’s never been in a real fistfight in his life.
By neighbour they mean “6 year old”