its the same concept you ignorant dolt. quit acting like you don't understand the logic.
Rick Rolling Internet Meme= the redirection to the the Rick Astley video
Rick Rolling I R L= Taking advantage of somone else naivety, ie. fucking them over
No. Rick Rolling is a very specific type of bait and switch, namely, the Rick Astley video.
Other types of bait and switch are not a rick roll.