People are free to roleplay as characters who want nothing more then attention. Remember, Roleplay means, as the name suggests, playing a role. So, if someone wants to play the role of a character who wants attention, fame and recognition, is that not roleplay?
Yes, maybe they're showing off as well. I'm of the mind that it's fine to be a little proud of your accomplishments, as long as you don't keep rambling on about them after the whole thing wears out.