Code analysis firm sees no major benefits from AI dev tool when measuring key programming metrics, though others report incremental gains from coding copilots with emphasis on code review.
As far as I know, right now the main problem with flying cars is that they are nowhere near as idiot-proof as a normal car, and don't really solve any transportation problem since most countries' air regulations agencies would require them to exclusively take off and land in airports... Where you can usually find tons of planes that can go much further (and are much more cost effective, as you pointed out)