1) In view of the above-mentioned negative factors/disadvantage(s)/defects in A, people's second thought is to...
(e.g. In view of the above-mentioned negative factors in raising the output, our second thought is to improve the quality of products.)
2) To counter/offset/counteract/cancel undesirable/side/ill effects/influence/results of A, B is put forward/proposed/advanced as another better course/ solution to...
(e.g. To counter the undesirable effects of rigid administration, emotional investment is advanced as an
