Maybe you shouldn't be so cheeky! Remember people can't read tone on the net - if you meant it lightheartedly use a smiley face
to indicate humour
There are lots of reasons why people give up on books quickly one of which is experience in what you do and don't like.
Secondly if you go back up and press 'reply' again the forum software embeds the new quote in line
So you don't need to have a post for each person you want to reply to.
He writes popular books. Popular does not always mean good. I could name a dozen 'best sellers' that are not really 'good'.
Thirdly - what do you think 'nah' means. Read it in context - it was a reply to a question was it not? Sound it out. What does it sound like? 'Naaah' got it? Good.