Before reading the other comments I thought I’d pick the first option, with it just being a misunderstanding/warped collective memory for some reason (and preferably only once I’m gone so people wouldn’t be openly hostile while I’m still alive).
Now it’s like, what if I did something terrible that’s “just” beneficial to humanity as a species?
Like “I solved overpopulation…” (Hooray :D)
“…by deleting 90% of humans from existence.” (… D: )
Exaggerated example, and questionable if it’s really something to be called great when you think about all the problems coming with a sudden instantaneous drop in population, but you get the gist.
Scattering to the winds to be returned to the soil as nutrients for new life