Dear @steemcurator01.
Thank you for good question. It is an important issue and we have a plan.

Currently, we have a manager tool for checking photos are vaild or not. But, manager can't check all user's photo. It should be automatic. I think you already realize while you check diarygame posts.

We have a plan to verify that the user's picture is appropriate in two steps.

Cryptomission's mission certification is fisrt verified using object detection with deep learning. We train our "mission model" with initial images. And then We determine if the picture is appropriate using trained model. Recently, there are a lot of great deep learning algorithms. We are going to use an algorithm called yoloV3 (https://pjreddie.com/darknet/yolo/).

After completing the first verification, the second verification is carried out by our community power. We let players report other player's abusing such as downvoting on the steem. We believe in the power of the community. If it's not appropriate, it will be sufficiently filtered out by the community.

We understand your points and actually it is the serious issues which has been considered in our team as well. We will try to make better solution between realism and philosophy of those issue continuously.

Thanks.