Earlier quoted context omitted.
> But Nordic countries become Christian just in 12th century Which is neither here, nor there, as Christian countries still bathed just fine. > So all these “don’t bath” nonsense promoted by pope was ignored They were ignored in Christian countries, include Rome and Byzantium, anyway. Not to mention, they weren't meant that way anyway. From TFA: "It’s true that we have medieval sources which warn against “excessive”…
Being vegan is holy? Which religion?
In this particular instances he means in the practice of Christianity, which in the Catholic and Orthodox version (or the unified version before the schism) had strict lent period, with rules about abstaining from meat (and, for those following the stricter rules, dairy products two in most days (and in the traditional versions, a bread+water diet only on some important holy days). Regular christians followed (and follow) those at their own preference/faith/tolerance level, the clergy, monks, and saints, follow them strictly. And there are several stories of saints who followed them year round.
But of course, veganism is also associated with holy behavior in Hinduism, Buddhism, and such.