I think easier to monetize explains most of it. Easier to monetize means you can fund all the work required to achieve superior user experience, and user exper

I think easier to monetize explains most of it. Easier to monetize means you can fund all the work required to achieve superior user experience, and user experience is the most important differentiator. People have repeatedly shown that UX is more important than security, privacy, cost, freedom, openness... anything. If it "just works" and can be adopted with little or no friction, it wins.