There are no predictable outcomes from giving people hallucinogenic drugs. They might think they can fly, but they are just as likely to run around naked or stare at the carpet for four hours.
Or vote Democrat.
If a hallucinogenic experience were to cause some deep contemplation (which it often does), such might lead to a sudden and deep sense of despair. And jumping is a very easy way to stop this despair without having to plan or endanger the lives of other.