Why is castling here:
[fen "r3kbnr/2p1pppp/p1p5/q7/3P2b1/2N2N2/PPP2PPP/R1BQK2R w KQkq - 0 8"]
[title ""]
[startply "7"]
not as good as Qd3. I get that Qd3 gets us out of the pin, but, what's so wrong about castling? There is a whole 1.3 point of difference according to StockFish.