[lightbritefight]

Not defend something needlessly cloud based, but this:

>but I think the main pro is (like a Tesla) the machine's performance and usability can be improved without you installing any new software.

is likely referring to them updating their cloud infrastructure, not the machine. By centralizing the processing and whatever else, they can ignore some local machine updating.

Its not worth the massive drawbacks, but its likely the truth wrapped in that marketing speak.