Conor McGregor talked his way to the top of the UFC, but has he lost his edge?

Will McGregor's prefight words change the tone of the trilogy fight against Dustin Poirier at UFC 264?

source https://www.espn.com/mma/story/_/id/31753082/ufc-264-conor-mcgregor-talk-way-another-victory-dustin-poirier-did-jose-aldo