That’s because you only see the levels of classes that are interesting to play. Most regular people are going to specialize in something that keeps them alive and has more use for the general public. Did you want to play a level 7 Dentist or a level 5 Pizza Chef? And feats like Least Painful Tooth Extraction for the Dentist or Perfect Toppings Distribution for the Pizza Chef?
That’s because you only see the levels of classes that are interesting to play. Most regular people are going to specialize in something that keeps them alive and has more use for the general public. Did you want to play a level 7 Dentist or a level 5 Pizza Chef? And feats like Least Painful Tooth Extraction for the Dentist or Perfect Toppings Distribution for the Pizza Chef?