If you can make a mistake once, you can make it 4 times. If this guy was going for intentional sabotage, why not sell the keys on the dark web? Why not anonymo

If you can make a mistake once, you can make it 4 times. If this guy was going for intentional sabotage, why not sell the keys on the dark web? Why not anonymously publish them on pastebin? Why would he just upload them to github under his own name?