I think the odds it's technological are 'astronomically' slim. That said, there are all kinds of reasons a technological object could crash into us. Brake fail

I think the odds it's technological are 'astronomically' slim. That said, there are all kinds of reasons a technological object could crash into us. Brake failure, course correction failure, sensor failure; or more interestingly, a fearlessness of impact and high heat due to advanced technology.