It sounds like a significant amount of the friction may be coming from the Apache Foundation's infrastructure and/or bureaucracy – or am I reading that wrong? It is hard to understand why Thrift isn't hosted publicly on GitHub – especially when Facebook is using GitHub Enterprise internally – unless the choice is political.

> Many of the changes depended on things that weren’t open source, or only recently became open source in folly.

Is "folly" some sort of jargon I'm unfamiliar with here, or does this literally mean that some things were foolishly open sourced recently due to a lapses of good sense?