We might well get clear without him. We'd deffo get clear with him, firing on all cylinders. (I'm not saying Dominic Calvert-Lewin is great, or ever again will fire on all cylinders, but just making a statistical point).
I'd welcome his return to contribute. His Arsenal performance was top class.
However there's another issue here: not having to rely on him to come in and make things happen (which, it has to be said, hasn't been that much in evidence for a long while now Arsenal game notwithstanding) will be stabilising for us.
We have Gray as a starter and Simms to maybe grab a goal. But we've also adapted away from reliance of a target man and are much more capable of grabbing a goal or two from midfielders and defenders. That's much better for the team than having Calvert-Lewin coming in every now and again.