Partly. I never heard about the smell part. He planted them and observed that the bean stalk sprouting out of the bean resembled the way a human grows in the womb. That's why they thought the beans contain human souls.
Hmm, that even crazier actually.
I never tried it before because I thought the RPG part would be dumb. But it's surprisingly fun and has the great Meretzky humor.
it's even on Steam: https://store.steampowered.com/app/1104470/Super_Hero_League_of_Hoboken/
EDIT: GOG version is probably superior: https://www.gog.com/en/game/superhero_league_of_hoboken