While an interesting starting point and not necessarily wrong.
At the essence of what he's talking about is the way anything enters or leaves the mind.
His claim is that the mind is an immune system for unverifiable ideas. Once someone is compromised other bad ideas go in.
From my experience the mind is akin to an ecological powerhouse. The thoughts and ideas and perceptions occupy that area.
Suffice to say you do have at the minimum some amount of influence in that jungle area. Some people can do more there than others. Once cognizant anyone could start doing some interesting self change. The automatic (subconscious, unconsious) process can be improved with being taught to be allowed to act in your collective self interest with the updated priorities to go against stupid decisions.
Wishful thinking does jack shit. For this more relevantly wishful thinking is an exercise in disempowerment for everything.
That's different from ignorance or not having the information/knowldge due to it being inaccessible.
The other claim that a bad filter would cause malfunctions is also somewhat true.
And the third combined claim is that self reflection is typically not done to one's own mind garden. That's due to the effect of manually agreeing the whatever is true even if that's not the case.
The problem is his assertion of what is true upon others, Astrology has fucktons of hacks and cheats. Much of the same information is derived from the social security number doesn't help. On Astrology Planetary influence where secret knowledge is useful for various projects.
For flat Earth? That's a conspiracy being a conspiracy theory. It is (((their))) goto choice for discrediting areas of knowledge (true or false). Due to overwhelming amounts of information pointing why it's false, to even consider it or to disprove is a waste of resources. It is then used as character assassination.
It's a fine attempt for what it is. The examples could use work. The means and depth of knowledge could use work. As a compilation showing how one has barriers for their mind, it's fine. The attempt is outside worthy. Once more I'm only basing it off of the video clip.
The opposite conjecture for why the mind has a reason to disregard everything when it knows it has everything is quite interesting as well.