I don't think the FIFA mass market as it is now will ever give PES a shot. FIFA has become more than a game, it's now a cultural thing amongst the younger generations, they don't give two shits about gameplay, as long as they have the licenses, stadiums and are able to open packs etc they will never come over to PES, so the marketing ploy of using FIFA youtubers is a waste of time.
The youtubers have little interest in PES because they know their audience won't give it a look in.
Just look at the comments on Twitter under some of the player face pics (in this case Bateson87, who primarily does FIFA), imo the faces and body shapes look amazing, and these kids are ripping them to shreds.
For me, 2018 looks the most promising in a long time, hope to god they don't change it based on youtubers feedback.