Animals solve 'the problem of other minds' by assuming that everything is like them, ie., conscious. And then walking back from this presumption upon evidence to the contrary.
This kinda mild 'default schizophrenia' is something I've always been allergic to. (I imagine my defaults are lower than most, which no doubt runs the risk of under-valuing the actually conscious).
Nevertheless, it's one of the things that makes me most concerned about the hype around AI: I see nothing more in it than a nascent secular religion. Born "from the ground up", as all religions are, by immediate experience 'of the divine'. Ie., of that impulse to analogise the world to one's own mind.