Even MySQL benefits from these changes as well. What we're really discussing is random primary key inserts (UUIDv4) vs incrementing primary key inserts (UUIDv6 or v7).

PlanetScale wrote up a really good article on why incrementing primary keys are better for performance when compared to randomly inserted primary keys; when it comes to b-tree performance. https://planetscale.com/blog/btrees-and-database-indexes