People under the influence of cults is similar to that we observe in addicts. Typical behaviour for both includes draining bank accounts neglecting children destroying relations with family and losing interest in anything except the drug or cult.
As the biggest library if it is in disorder is not as useful as a small but well-arranged one so you may accumulate a vast amount of knowledge but it will be of far less value than a much smaller amount if you have not thought it over for yourself.