The fact that anyone is even surprised at it being Detroit is silly. I called this on the KTP 17 article, and weeks in advance, I said it was Morty and Detroit. When Detroit wasn't planning to go anymore, I immediately concluded that he was just going to be replaced by someone else, but when he recently revealed that he's confirmed to be going, I knew. Like, who else would it be? There aren't many people going to FR that are markedly more qualified than Detroit, based on his achievements. He's the only one who's actually bested VSM in tournament, so he'd be the obvious choice.
When I was talking to 16 Bit after I heard Detroit wasn't going, I actually guessed that he might try to hit up JOP (who I'm assuming is going to go to FR for Soul Calibur, because he's a legend in that game and there's big money in it), but if it isn't JOP or Perfect Legend, who else could it be? Someone like Tyrant or XBlades would make a lot of sense too, but neither one is going to FR. Perfect Legend would obviously make sense, but wild horses couldn't drag him out to Atlanta for a tournament.
Honestly, by process of elimination, who the hell else would it be if Morty is already on the team, and Detroit is the only player in attendance who's beaten VSM before? Come on, people.