Welcome to Gaia! ::

I haven't watched the videos yet, but I know why this perspective exists. According to the Jewish and Christian literature, there were fallen supernatural beings that came to Earth, they taught humans various arts: metal refining, witchcraft, astrology, weaponry, cosmetics amongst other things which led to an increase in violence and deception. In return, humans started worshipping these beings. These "deities" are known by many terms in the scriptures: fallen angels, demons, "mighty ones", watchers, snakes, unclean spirits, et cetera.

But one particular fallen being has a grudge against humanity; he did not want to humble himself and serve YHWH, he wanted to usurp YHWH's authority and sit on his throne, so he gets kicked out of the shamayim, knows there's no redemption for him, and decides that if he can't rule (or live in) the heavens he's going to lead astray as many humans as he possibly can because if they repent of their carnal/fallen nature, deciding to seek YHWH, they'll be restored to the heavens unlike him; he'll never be able to go back.

Ergo, this fallen being creates religious/spiritual practices that don't lead to YHWH, that reflect his own nature instead: be your own god, don't submit to YHWH, you can achieve true peace without YHWH, you can "ascend" without YHWH, or the flip-side religions like LaVeyism: indulge your carnal desires, seek vengeance, be prideful, help only those close to you, etc...

He's got counterfeit religions for the ascetics and counterfeit religions for the self-indulgent. Yoga and meditation (of the emptying your mind kind), is not of YHWH therefore it is occult information that derived from these fallen beings—which are evil. Hence, yoga = evil.

edit: I love the corniness of this series (that giant purple door, haha). heart lol