Yes, I think because our fallen tendency is to err on the side of one or the other extreme. And then worse, to get fanatical about it and insist we are correct, even in the face of Church teaching.
Yes, that’s it exactly. Either no moral demands at all, or or an intense focus on a myriad of requirements that are far beyond what the Church calls for. “How long is your hair? How long are your skirts? Do you wear two slips in case something catches one?”