These selfish bastards don't want the members to have anything of value and no identity other than being a obsessed follower of theirs.
Short List of Unapproved Things:
Successful Career, Nice House, Expensive Vehicles, Expensive Vacations, Luxury Brand Handbags, Luxury Brand Clothing, Retirement Plan, Pets, Membership in any Clubs or Organizations, Involvement in any Charity, Any College Degree more than 2 years, Any Professional Designation, Any pursuit that would lead to popularity or fame even if just locally....
Of course, if you break their rules and pursue any or all of these things, they will gladly accept a donation from you. If you are somehow still in good standing, or possibly even if you're not, they will accept any of your professional services as a voluntary contribution to their cause.
Why?....... Well, greed of course.... with a sprinkle of hypocrisy.