> we know batteries are not charged from low carbon sources today
Have you got any grid-scale "green hydrogen" projects with a higher energy efficiency than existing grid-scale renewable energy projects (solar, wind)? Because unless you do, "green hydrogen" is dead on arrival in any market.
> can we stop shilling for green electricity?
No, because we already know how to make grid-scale low-carbon energy.
Show me grid-scale "green hydrogen" and I'll retract my criticism.