I've been asked about this constantly, and I compare it to how if you're walking down the street and some schizo guy comes up to you and vomits on you: You wouldn't be hurt by that, you'd just think it's weird.
Anyone who claims to be good at lying is obviously bad at lying. Thus - as a writer myself - I cannot comment on whether or not writers are exceptionally good liars, because whatever I said would actually mean its complete opposite.
I grew up on a farm, and we didn't have cable and only limited radio stations, so I wasn't inundated with culture the way people in other parts of the country were. But I was really interested in it.
The biggest problem in rock journalism is that often the writer's main motivation is to become friends with the band. They're not really journalists; they're people who want to be involved in rock and roll.