Perhaps battery swapping tech for larger vehicles makes sense, depending on the usecase.
Municipal waste collection seems like the perfect usecase for electrification. Low speed and frequent stops.
but date tells me nothing about backward compatibility
The date IS the major/minor version. Knowing when the thing was released is bonus metadata. A lot of people find it useful.
Probably not but these cowardly sociopaths are more mortified of exposure and embarrassment than anything else. Like cockroaches when the lights are tuned on.