Tupou would be the one player I would leave until the last possible minute.
Eg you pick him in the World Cup squad and start him against Portugal, see how he goes and if good enough he plays quarter final. That Portugal game is 1st October so still over 4 months away.
Not saying that is ideal but that would be the last minute for me, and wouldn’t consider that for anyone else
AAA can reliably go for 55-60 minutes. So you'd think Tupou would at least have the fitness to go for 20 minutes depending on his rehab schedule. I guess the question is whether he can remember how to play Rugby that quickly and at an international standard. He isn't a rookie, but he's also not an old hand that can play Rugby with his eyes closed.
Lots of interesting decisions to be made by EJ (Eddie Jones). He's got some tough calls to make in many areas. I don't think I've been so unsure of a squad's makeup, overall quality, and the style of play so close to a RWC.
I could see them playing 10 man kick tennis, throwing around the ball around with an expansive game, beating France/Irealand/South Africa or losing to Wales/Scotland/Argentina.
There's very few players even guaranteed to be selected at this late stage.