I'm not an avid fan of Joe Rogan's podcast. However, I can see that he is very popular.

So why should I be offended that he doesn't talk more about Bitcoin, or refuses to delve into the subject more seriously when he has guests with whom he could (should) talk about it?

Bitcoin doesn't need Joe Rogan's spotlight. Bitcoin will continue its revolution with or without Joe Rogan or who knows who else.

It's precisely Bitcoin's strength that it doesn't need clear-cut leaders to continue its unique monetary revolution.