This type of thing has been discussed in other topics in this forum. As I remember, it’s something about only two people having the ability to commit taxon changes on birds–I don’t remember any reason given for that. So other people create the new taxon pages so they can make the new identifications anyway. Here’s one of the discussions:
https://forum.inaturalist.org/t/plans-for-2019-clements-bird-taxonomy-updates/5397