[jrochkind1]

If this is true, then still:

> after taking it to Google, adding a tone of features to the codebase and using it in internal projects before open sourcing it.

Are pretty unique circumstances, that don't really show that it's an easy thing to do usefully/succesfully, for projects that aren't taken into Google, have a ton of features added by paid Google engineers, and then are used by internal projects at google to work out further kinks and cow paths.