This just assumes someone else fixes the storage/overprovision problem, otherwise energy will get cheaper in the summer and more expensive in the winter until storing euros does not work.
We're talking aviation industry as a reasonable equivilance here, not magical anti-grav machines.
Reddit is really the venue for eponymous comments.
Just like anti-gravity machine, neither breaks the laws of physics, and neither has any known method for an engineer to implement.
Currently, you either need preposterous quantity of batteries, or you are stuck creating synthetic/green fuels at efficiencies of ~20% or less.