One could also question whether they used the lure of a bounty to keep someone quiet while they let customers (aka advertisers) continue to benefit for an extra

One could also question whether they used the lure of a bounty to keep someone quiet while they let customers (aka advertisers) continue to benefit for an extra 9 months at the expense of the users. I guess you'd have to consider Facebook's track record in terms of how charitable vs. cynical you want to be in interpreting their actions.