I think the secular folks in these threads must not see the modern secular analogs to blasphemy, penance, indulgences, and purity. Misguided virtue signalling boycotts and all!
I mean, I've posted a couple of John Gray links here and it would be difficult to have read anything of his without having spent at least a little time thinking about the secular analogs to religious practices, as that is one of his major themes.
You've just successfully described one of my main hobbies. As far as any secular tradition goes, I am firmly in the Diogenes camp.