This isn't true. You can't overdose to the point you die from psilocybin toxicity but you CAN overdose to the point that you suffer mental health effects permanently. You CAN overdose to the point you go insane and hurt someone or yourself without meaning to. This happened to one of my loved ones.
Written by Reverie
“The nature of our immortal lives is in the consequences of our words and deeds” — Cloud Atlas