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solar energy has powered the world for a much longer-time than we have existed. the world has had a longer time to get it not wrong than we have.
Aye

It's perpetual motion

Wrong! Oil-rich countries have every incentive to not let it happen, and that is exactly what they have been doing. For example, “but the Uighers” is a propaganda tactic (among others) developed by the current oil countries as an attack to the Chinese solar industry.
nope. we need over 50% efficiency with 30+ years guaranteed lifespan. we have 20% efficiency with at most 10 years with continual maintenance.

Solar installers are low quality, expensive, destroy the roof, and existing utility companies will make you pay to grid tie. you wont save money.

the only time solar is worth it is a non grid tie DIY setup.