Yes.
He's still a young, inexperienced lad and exposure to the sort of pressure he's been under this season could easily put him under a very poor spell which would delay his England career as he slips under the radar. He's good enough to bat 4 or 5 no doubt, but while we're in such poor First Class form he won't be playing his natural game.
Coming in at 250/5 will give him the license to do what he wants, coming in at 30/3 won't.
Just my opinion.
What about 30/5?