The Amizilla bounty has been around for years, and no cross-platform group has made a proper attempt at getting it working. Considering that the initial port to any Amiga compatible platform would be ~99% of the work, do you think that it's fair that the initial porters get just 25% of the bounty?
If it is about 99% of the work and they leave out the 1 % to provide compiles for all Amiga flavours - then I would say own mistake. Either it is 99% then thy were pretty stupid to not provide the last percent to grab the whole cake or it may well be that it isn't 99%. Your math seems kind of wrong.
