A friendly comment as a warning with almost the same text first would be much better than going straight to a downvote. Yes, I will live.
You are going to loose supporters by doing this. Like myself. Cheers

P.S. I consider the photo contest I run as a big investment. Both for the contest participants and myself as I am not simply giving STEEM or SBD but SBIs instead. Which, long terms is good for both the users and the platform.