This is really a very different philosophical take on our own self importance in the universe. In western philosophy consciousness has been the pervasive thing that “makes us better” than everything else on the planet. (This is true even biblically if you think about it). The idea that this doesn’t make us special is actually very subversive to a lot of human self identification.
If you look into other traditions than the European one, I think the idea exists already to some extent. But in the circles we run in (and extra so societally) those views are still the minority.
Being told for thousands of years that your special and then having someone come in and say “maybe you’re not.” Is going to elicit a response from those invested in it.