I would suggest people remove their 777Coin avatars & sigs, don’t give him free advertising.
I assume he’s pulling the same thing with his Bitvest posters too.
We cannot expect many to take this step and to risk losing their position in the campaign, especially if, as you mentioned, it represents a significant source of income for some of them. Due to their unique Tier-based system, many participants had to work for months, and some even for years, to earn their positions on the list.
I believe the campaign manager should take responsibility for this and make a decision.
I’m on the road, only have mobile use so difficult to check.