> If you are an empiricist, it remains eminently unclear which license style is best suited for which kinds of projects in the long term.

Only if you're the kind of empiricist who hasn't done a systematic survey of what they're trying to figure out, but just assumes that all options are even by default due to the Law of Averages.

That is, unless you're summarizing some study about Free and Open Source software licensing and project growth that I'm unaware of. If you are, I'd be highly interested in reading it.