Buffett and Munger on people's resistance to learn

https://www.youtube.com/watch?v=IMdVvy6Jznk&t=560s
9:20 Warren Buffett:
I think you can learn a lot from other people.
In fact I think if you learn reasonably well from other people you don't have to get any new ideas or do much on your own. You can just apply the best of what you see.
9:30 Charlie Munger:
Generally speaking I think we always get a group of wise people after sifting millions but I don't think anybody's invented a way to teach so that everybody is wise.
It's extraordinary how resistant some people are to learning anything.
9:54 Warren Buffett:
Well and really and what it's astounding is it's how resistant they are when it's theirs in their self-interest to learn.
I mean I was always astounded by by how much attention was paid to Graham.
I mean he was regarded 40 years ago as the dean of security analyst but how little attention was paid in terms of the principles he taught and it wasn't because people were refuting them and it wasn't because people didn't have a self-interest in learning Sound Investment principles that it was just this incredible resistance to thinking or change.
I quoted Bertran Russell one time who said that "Most men would rather die than think. Many have."