Didn't get past the paywall, but whether high standards are playing a role or not, there's something more existential going on, e.g. https://academic.oup.com/h

Didn't get past the paywall, but whether high standards are playing a role or not, there's something more existential going on, e.g. https://academic.oup.com/humupd/article/29/2/157/6824414 https://academic.oup.com/humupd/article/29/2/157/6824414