More and more people are able to access information - thank goodness we have the Internet and if you are interested you can find things. Which is different than even 20 years ago.
I remember one of my last shows, the Final Jeopardy! clue was something like 'These two boys' names are top 10 boys' names in the U.S., they both end with the same letter, and they're both names of Jesus' apostles.' Now, obviously that's not a knowable fact.
I tell people this: It's hard to write about walking in the park, but it's easy to write about a breakup.