If it wants to found a cult, it has to compete with all the human cults out there. Cults usually benefit immeasurably from the founder having a personal charisma that comes out in person.
And it would not be limited to act as the cult leaders, it could also provide fake cult followers that would convince the humans that the leaders possessed superhuman wisdom.
It could also combine this with a full machinery for A/B-testing and similar experiments to ensure that the message it is communicating is optimal in terms of its goals.