Splitting Casual into Not Wild on the one hand.
And on the other hand, what is data deficient (lacks date or location etc)
Is an existing issue - separate to the wild or cultivated question of this thread.
https://forum.inaturalist.org/t/implement-more-filtering-tools-for-casual-grade-observations/8838
https://forum.inaturalist.org/t/useful-casual-observations-being-hidden-by-other-low-grade-casual-observations/36089