Solar and wind are just fine as generation sources, provided that you consider solar / wind + storage as the whole generation system and base your arguments and

Solar and wind are just fine as generation sources, provided that you consider solar / wind + storage as the whole generation system and base your arguments and costs on that number. When you consider both together solar and wind are pretty expensive but have nice properties as far as carbon generation. Solar and wind by themselves are somewhere between mildly useful and actively very bad in terms of grid stability.