> You’re unlikely to see +1-DDoS-type behavior inside private repos, for example.

Maybe not, but the lack of an "Approval" system is keeping us from moving from Bitbucket to Github. The proposed fix for +1 spamming could easily serve as an approval system for us.

(Bitbucket, I might add, has also become incredibly stagnant, as can be seen by this long standing issue to support Markdown[0])

[0]: https://bitbucket.org/site/master/issues/6930/support-some-o...