Why is the temple corner of many transplant not look right?

I’ve noticed a lot of hair transplants even relatively good/expensive ones the thing they seem to not ever really get completely “right” is the upper sides/temple corner area but like on the side still where hair goes vertical up side of head. I think it has to do with the angle at which the hairs are inserted which is it because naturally those hairs are at such a steep angle that they can’t...

Source