This isn't scammy. This is how businesses always behaved. There's this great cook/chef/engineer. He currently is the reason people come to your business. Won'

This isn't scammy. This is how businesses always behaved. There's this great cook/chef/engineer. He currently is the reason people come to your business. Won't you try to learn his recipes/secrets/commoditize-him in case you'll want/need to replace him with another, while still benefiting from his customers ? Business isn't fair.