“We” think it’s goofy.
Being that electricity is hard to find on Indian Lands, where do you plug them in? Also, batteries hate two things, excessive heat and excessive cold.
Deadly, for kids. You can't evacuate a burning bus fast enough to save all the kids. Especially if the bus is moving along a road. When I was in elementary school, I got bussed for one year, on the freeway between schools. Too dangerous to pull over on a freeway and attempt to evacuate kids on a crowded freeway with railings on both sides.