So what is the point in using py3 then? They either should keep using the version with the largest library base, in order to profit from other's momentum, or in

So what is the point in using py3 then? They either should keep using the version with the largest library base, in order to profit from other's momentum, or invest their own ressources (money/time/skill) into making a py3-only library attractive enough to pull everybody else against their will. What they're doing right now, is not investing anything at all to make py3 more attractive, but simply being loud and vocal and trying to coerce the majority through social pressure to do work to support their version of choice, even if there is no actually noticeable benefit in for them to do so.