For me, this is what that ZUN's comment is about.
It appears that my post was completely ignored
Aw. Chin up, lil buddy, I was talking to you, too!
The main question is if it's just "a funny observation" by ZUN or meant to be an actual plot point
It appears that my post was completely ignored, so I went and got the Ten Desires ending where Reimu's powers being Taoist comes from.<snip spoiler>
See, I didn't even know about this ending. It seems that my insistence on seeing only the endings I personally obtain is getting on my way.But it supports nicely what I said.
The thing that's awesome (and imminently frustrating) about ZUN is that the ending also nicely supports the opposite conclusion. We know Seiga - the Taoist - sees Toaism in what Reimu does, even though Reimu has no idea what she's talking about. This isn't surprising behavior - when I've described Wiccan principles to my Japanese friends, they've remarked on how similar it is to Shinto! This is probably more likely to happen when you have a zealot like Seiga who's all pumped about spreading the Tao - everything appears to be "influenced" or "based on" this awesome faith you hold. And that makes for great ZUN-like comedy.ZUN is great at making things as open-ended and vague as possible. I really don't think there's much to speculate on when it comes to Reimu's faith, but I do like that he enjoys tossing some choice interactions like the one between Seiga and Reimu into the mix. Certainly keeps people wondering, that's for sure.
Regarding Reimu's power coming from Taoism, ZUN says he doesn't know how to work that into the story at all yet. However, plans for next year are starting to progress, little by little.
I love how speculation encourages the digging up of more canonical material. And then more games are announced, leading to further speculations, leading to further canon-referencing, which in turn increases everyone's knowledge base of Touhou. It's the cirrrrrcle of liiiiiiife.
The Faith Chart has nothing to do with the character's faction. You can change it by giving different skills and items.
That webpage with those endings was actually posted in the Ten Desires thread within like, a week of the game going live. Though I'm probably one of the only people obsessive compulsive enough to hang onto these things, I suppose.
2.) If you wanna speculate like that take a look at the other two characters. They have the same large alignment to Tao in their standard decks, do you want to speculate Marisa and Ichirin are Taoist believers too? My guess is the alignment of a skill might simply have to do with whether it's melee or danmaku or something. Whichever it is, the standard values for all charas are neutral, the faith chart has literally no meaning at all in that regard. (Surprise, that was already pointed out a few times).
While I wouldn't call her a taoist, but she does mostly follow Taoistic beliefs over Shinto beliefs, even if she is a Shinto shrine maiden.
oscillation
Actually, I'm neither. I just wanted to fit in.