Conor McGregor engaged in some extensive media work to publicise UFC189. It is fair to say that. Believe it or not, McGregor is ambivalent about the whole media scrum.
At the end of every fight, he says he vows not to bother with all that media bullshit again. He has yet to follow through on this vow.
He explained the thought processes that have inspired him to change his mind on that front so many times now.