They don't have similar skillsets though. If I would discount the emotional connection that I have to Bruno as a United fan, I'd take Dr Bruyne, his vision & creativeness is something else and I believe that he had been one of the best players in the world (firmly in the top-5 and arguably in top-3 with Messi and Lewandowski) for a few years now. Bruno isn't that far off but he still needs time to establish himself not only as one of the best players in the league but as a Ballon d'Or contender, which he still isn't at the moment — and Euro showed that there's still room to grow for him. Fit De Bruyne never gets dropped by Belgium — and even though dropping Bruno was probably not the best decision in hindsight, it was an understandable result of his underwhelming performances.
As numbers go, Bruno my even be more effective, at least in the league, but De Bruyne's also incredibly consistent throughout the game while Bruno still sometimes plays as a highlights player. I'm not one of those Bruno criticisers that sometimes bizarrely appear on this forum though, love him to bits & couldn't be happier with him, really.
P.S. you can argue that United needs Bruno more at this point — De Bruyne also developed as a leader lately, but Bruno is still better at it and our team is in a desperate need of leaders. Still, if we're picking a team from the scratch, United bias aside, I'd take Kevin.