To be fair, because it would be entirely unfair to not mark the positives, that freshman will likely be a superstar in college and is an incredibly versatile offensive player, and a very well rounded and extremely athletic defensive player in the same way that WCS was. Awful lot of NBA scouts and recruiting analysts compare him to Anthony Davis at the same stage in their careers, and AD had quite possibly the best freshman season of any player to play the game at the college level, and brought a ton of things to the team.
Skal may not block as many shots (spoiler alert: he won't), but he will score more ppg than Davis, and will collect similar rebounds. He can also make plays on the perimeter on both sides of the ball, and that's huge.
Lee can't dribble like a wing, but we don't need him to. He can't shoot well, but the things he can do, he does well. He makes freakishly athletic plays, he defends well all over the floor, he's terrific at grabbing boards, especially offensively, and turning it into points. In transition, he's a mismatch for most power forwards, and he can block a lot of shots. With the work that he is, and will continue to put in, I think we'll be fine with Lee's production.
Poythress is actually 6'8, and while he is coming off of an ACL injury, I'm almost certain that he will put it all on the floor because of that injury, which is something we've lacked from Poy in the past. We know he has the ability, but we've been missing consistency, and this could serve as some kind of a revelation to him. He does the things we need him to do. Make athletic plays. He's stronger than most that he plays against, he's faster than most that he plays against, he jumps higher than most he plays against, he's had plenty of time to work on a jumpshot (and he's been jumping and dunking since late January as evidence by videos on Instagram), and even on his ball handling to a degree. He was probably the best overall defensive player on the team before he went down last season (seen somebody say he held his man to 12.8% from the field before the injury), and he's outstanding in transition. Poythress will be perfectly fine.
That said, there are many that complained about post depth, and people don't want the top remaining post player in the class? No, that's silly. We could always use depth. We don't need it, but we certainly have room for it, and it couldn't hurt. Add nobody, and I'm alright with next year's team. Add Vick, and I'm very happy with it. Add Vick as well as Swanigan (or even just Swanigan), and I'll be euphoric, but it's certainly not a necessity.