To your point, the large airport I worked at was annoyed at small, slow aircraft landing because it jacked up the spacing and slowed down the customers who paid

To your point, the large airport I worked at was annoyed at small, slow aircraft landing because it jacked up the spacing and slowed down the customers who paid the vast majority of the bills. But the feds required the airport to allow it for a low (relatively) fee, so the airport could only be annoyed.