It is like the Internet itself. However, they are all called Buddhism, and they all share a few fundamentals, and I think that may be the case with pantheism. There are dilemmas we will have to face before long. I think the answer will probably lie in a combination of organization and flexibility - organization to spread, solidity and clarity in the core message, flexibility in the details and in how people express their religious impulse. Quakers adopted this policy.
Every member can say what Quakers are officially.
One Quaker refers to it as Doctrine instead of Dogma. Doctrines are debatable but Dogmas are not so. Quakers shun and dislike Dogmas. Eating, drinking, playing, working, making love, being annoying, et al. If we were to have congregational meetings of some sort I would suggest that, weather permitting, they be held out doors.