Hi Emily, it’s outlined in the original post. Basically, someone in your team may end up with a publishing opportunity for the sestina. However, as joint owners of the sestina, it required the whole team’s permission. So your options are to give that permission now, or give your team-mates permission to contact you if an opportunity comes up. In the latter case, we expect someone may need to contact you via means other than Medium, because the opportunity might arise once you’ve left Medium (as people keep doing now).
The question is designed to ensure that no one can force others' opportunities to go to waste simply by being uncontsctable. The “no financial consideration” part is basically because if they can’t contact you, they can’t pay you.
Does that make sense?