Yes, that may be so, but perhaps (in some cases) it is because they feel legally obliged to: "This repository is published in order to share code and informati

Yes, that may be so, but perhaps (in some cases) it is because they feel legally obliged to: "This repository is published in order to share code and information and is not intended to be used directly outside of Twitter. We provide no guarantees of bug fixes, ongoing maintenance, compatibility, or suitability for any user outside of Twitter" https://github.com/twitter/mysql https://github.com/twitter/mysql