I haven't seen anything so far to suggest that he is ready to start games or do anything close to 90 mins, from either the physical or football perspective.
The Europa game where he did well, he had 45 anonymous minutes, then 15 bright ones, then died off. The one where he scored I thought overall he struggled a bit all game till the goal at the end. In the Prem he has struggled to do anything of real note.
There are mitigating circumstances - the state of the team as a whole, getting pushed out on the right hand side which clearly doesn't suit him, that he can go weeks/months without seeing involvement. But physically he is lacking, particularly in explosive power, and he's looked nowhere near a coherent and consistent 45 mins, let alone 90 mins, yet.
He's 17 though. Lets give him some room to breath. Fans should cool the wonderkid hype, and the club should probably be a bit more sensible in that a) use him in his best position(s) and b) regular short minutes to drip feed him into first team action.
He looks like he'll be a slower more technical dribbler. Grealish has been mentioned, which isn't the worst comparison. Think Moore does need to focus a lot on being really strong in ball retention aspects as he develops.