Their company, their rules. A union protest is a work activity directly relating to their roles, relationships, and functions as employees, which a political protest is not.
Google can suffer the public consequences on their own, which may or may not affect their bottom line.
I’ll believe it when I see it. Batteries are so heavy right now that 80-90% of the available cargo and passenger capacity would be batteries.
For the moment, batteries are better for cars, and something like hydrogen would be better for planes and semi trucks