Cows are not the evil that some portray them to be. It is the ranchers' ignorance that make cows a nuisance and a major source of pollution, when they are as stated; manufacturers of perfect soil that work every single day, non-stop.
Cow dung without seeds is something from mythology, I think. This might be the Vedic part.
The video described some extremely laborious methods of making compost,for comparison to the cow. He didn't mention piling up unwanted organic materials and then doing nothing more. That works for me.
There's nothing wrong with using cow manure. For those with cows, it's a good choice.
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permaculture thorns, A Book About Trying to Build Permaculture Community - draft eBook