Sure, people talk about all kinds of stuff at the office, but surely everyone has better things to do than sound like they're auditioning for Fox News.
What made Leonardo da Vinci, Thomas Edison, and Albert Einstein such creative geniuses? It wasn't reading books or watching YouTube talks about How To Be More Creative, that's for sure. . . If startling insights could be systematically arrived at, they wouldn't be startling. The best you can do is to create a conducive environment: put in the hours; take time to daydream; avoid mind-corroding substances.