Since my last reply I remembered that the Archbishop of Canterbury is or was an "honorary Druid", which is exactly the sort of thing you were talking about. Some dress up and play at being pagans so they can hold ye olde quaint ritual, others dress up and play at being Christians so they can hold ye olde quaint liturgy. And neither can reasonably see any conflict, because they don't really mean any of it.
That's the real point, isn't it?
I recall the C.S. Lewis essay where he mocked those who said that England was returning to paganism. He said that he would view it as a distinct improvement in affairs were this really to happen. I seem to recall that he said that he would actually be heartened were Parliament to open its sessions with the sacrifice of a bullock.
His point was that if pagans show one consistent propensity, it is that they tend to convert to Christianity.
But of course, we aren't dealing with "real" paganism, but rather with a fake "feel-good" pseudo-spirituality which is all "win-win" -- no fear of punishment, no gods or spirits to be propitiated or feared...