Similar effects occur in human society via a chemical drug used to assist in the rape of women. An extremely strong hypnotic and powerful sedative, (Flunitrazepam) often cited as the ‘date rape drug’ commonly referred to as a "roofie". It's favored because of its high potency, strong effects, and the ability to cause amnesia of events during the aggressor’s ‘activities’.
Religious equivalents of mindless behavior are too numerous to mention. From zombie like praying, to repetition of meaningless statements like “Jesus loves me”, and “God is good”, etc., etc., all to ensure the survival of the parasite. In this case, that requires power, control and money.
However, the religious parasite doesn’t inject or drug it’s victims does it? Well, in a way it does. The simple observance of the acceptance of these actions by other gullible onlookers is laying the seeds for religious replication. Furthermore, the structure of Christianity is such that disobeying the 'venom' that is pumped into a victim’s brain implies rejection from the community, loosing one’s friends, or even the breakup of the family. In Islam, the penalty for apostasy, (departure from one’s religion) is death! From those perspectives, the cockroach doesn’t have it so bad?