I’m guessing you don’t know the speaker. Saying something is BS just because it’s on YouTube is interesting. What if it was a lecture by Terrence Tao on YouTube? Also just for argument sake, there’s lots of ideas taken pretty seriously in physics that aren’t directly testable, honestly border more on philosophy. Even simple things like what exactly is time, does all of spacetime exist at once as Einstein thought and so on.
I’m guessing you don’t know the speaker. Saying something is BS just because it’s on YouTube is interesting. What if it was a lecture by Terrence Tao on YouTube? Also just for argument sake, there’s lots of ideas taken pretty seriously in physics that aren’t directly testable, honestly border more on philosophy. Even simple things like what exactly is time, does all of spacetime exist at once as Einstein thought and so on.