I agree with what would stand in other social networks to look because in Facebook too much spam. Also the Facebook company is quite tiny here - only 25%
Yeah, it makes much more sense to launch the bounty campaign in the part of the internet which is interested in cryptos, and not concentrate solely on Facebook!
as I understand, they chose Facebook, because they themselves are there. in any case, I'm in the bounty on this forum.
I think that they chose Facebook because there they can tell this news as much people as possible. Have you considered this option?