If we can't see it, we don't believe it.

Well, this is actually not true, there have been several things that were believed to exist without actually seeing them.

they ignore the large part and context of what it is to be human.

what is that large part specifically?

They still believe that thoughts happen in the brain.

so the brain scans that shows our brain's activity when we think are wrong?

Where do thoughts happen according to you?

their starting point is so far off

so far off what?

About the guru in India I would have to see one in person to really see what they can do, I know in poor countries thanks to the people not having enough information, it is easy for charlatans to deceive people and take their money away from them.