The number, no, it's quite large. The number of competent players is not. I am equating the exiled players with having a small squad, because it's the resources he's able to work with. It's easy to say that he should use them anyway, but if we lose because they're unable to do anything with competence, who's the one getting the blame? Dembele for being unable to transition properly to attack? Adebayor for being unable to play as a striker anymore? Or Pochettino for not "going 4-4-2 with some pace on the wings"?We have one of the biggest squads in the league, whether he uses the players or not. Stambouli has had 1 sub app and that's it. I think you're mistaking the fact that he exiles players/doesn't use them with us not having a big squad. I repeat, again, it's one of the biggest in the league. Just look at how many people we have on loan. Not sure why you keep repeating this, as if it's true. It's not.
We have a 25 man squad, with at least 6 of them being unable to do the job required. Which means we're working with a 19-man squad, for all intents and purposes.
I think he should be using more of the development squad and bring them in. Perhaps he will, or perhaps he will prove to have a problem with rotation. We'll find out, and just have to hope.