Who said it’s OK? It’s a work of fiction about an immoral, semi-crazed man. No different than Macbeth or Crime and Punishment.
“No different than Macbeth or Crime and Punishment.”
Those two works have a moral viewpoint. Lolita was written without one.
The deaths in Macbeth and C&P were not written to stimulate murderers. Lolita was written, IMHO, to stimulate pedophiles.