My main advice is the same: don't pay too much attention to this yellow square (it belongs to many groups and thus can't be used as a reliable attribute of any of them, some groups are positive, some are negative), when admin will have time he will remove it (he already said so). I hope it will end this long yellow square epopee.
It happens with me all the time. When I am marking in a contest, I start with very low marking, then I decide to reduce the standard and give average marking, then I reduce the standard more and give higher marking but at the end I get confuse and then when I see my marking sheet, I can not remember which set was truly worthy to find the winners LOL
Perhaps I could not explain it well. I think the admin made so many groups with so many icons that it is also confusing for him to remember which icon he used for which group. Keeping a note on a paper will be a good idea to track the symbols.