My problem is usually making the cropping "smart". I need a content-aware cropping so that the resulting image looks good. It doesn't seem to come up too ofte

My problem is usually making the cropping "smart". I need a content-aware cropping so that the resulting image looks good. It doesn't seem to come up too often as a known and requested feature in most of these services, I am wondering how come, this seems like a "must have" for me