Because of the initial investment, private companies already have trouble to project themselves just 5 years into the future and they lack the big picture. That's also why privately managed electricity generation just doesn't work.

> Anyway, the proof of the pudding is in the eating.

I'll believe what I see as well, there's not a single country in the world which manages to use wind & solar as their primary electricity source and there's nothing indicating any could in the future.