Indeed, a good answer to X will make clear why Y is the better option in most cases. But its a thin line to tread between subtly implying that X is bad, and say

Indeed, a good answer to X will make clear why Y is the better option in most cases. But its a thin line to tread between subtly implying that X is bad, and saying "only idiots do X, anyway here's how an idiot would do X".