You are eaten by a grue

That’s not true. Some examples: WebKit LLVM clang Anything here: https://github.com/Developer-Ecosystem-Engineering

The busses out of Harvard station used them (71, 73, 75? and some others).

Going with the “batteries catch on fire argument” is stupid. “Batteries are heavy and expensive” is probably more compelling. But yeah, wires are better solution for things going in fixed routes.

We’ve had these in Boston since I was a kid, but recently they’ve been taking down the wires.