분사구문 문제에서 Although well intended가 답인 이유가 궁금해요

“______, early approaches for coping with workplace stress dealt with the problem only after its symptoms had appeared.”라는 문제입니다.
정답은 “Although well intended”인데, “Although it is a good intention”은 왜 안 되는지 설명 부탁드려요.