According to Osho, a Jonestown-like tragedy is absolutely impossible in his commune, because his philosophy is the very opposite of Jim Jones' fanatical, crucifixion-obsessed Christianity. Jonestown arose from blind faith and messianic authoritarianism. Osho insists on reason and questioning rather than unprovable beliefs, preventing the fanaticism and collective madness that enable such disasters.
It can't happen here because we don't follow blindly; we ask why and use reason, so no one can drive people into harm.