First of all, welcome aboard, and sorry you had problems posting.
But dude, you couldn't be more wrong about USC's passing attack. And I'm trying to be nice here, really, but to call Marquise Lee 'average' means you're either really, really, really drunk, or you've never seen USC play, or you know nothing about football. Or you're probably just a huge Irish fan LOL.
Listen, that kid is nasty. All-American, future first round draft pick nasty. If you think he's average, then you must think every one of our receivers absolutely suck and should not be at ND at all.
Also, besides Lee and Woods, you're forgetting that they have 2 freshmen TE's that could be very excellent for them. With a veteran QB like Barkley, they already showed flashes of great potential last year. They'll probably add a stud freshman WR too that could help out, along with a couple guys already there that could help out in 3 WR sets.
So in short, yes, even without Kalil, their passing attack will be lethal next year, as long as they stay healthy.