It’s not campaign costs that are the issue. You’re working full time on a campaign, you really have to quit or take six weeks off with your boss being ok with you never coming back.
Many people work jobs where this would be seen as a great thing for the firm, many do not
The electric cars are powered by gas and coal in the uk. We are a long way from pure renewable electricity and between mining and shipping metals, steel, and tyres they’re not quite the perfect green vehicles they’re presented as.