Well yes because they are dead.

My dad was a pretty good but infrequent cook, my mom was a frequent and uninspired cook (we got spaghetti, chili, grilled cheese, sort of bachelor cooking but with occasional seafood boils too). They were both busy people.

I am a good cook but it's from years of experimenting and making mistakes. My kids, 3 are good cooks already, 1 is not and none of my step kids are.

But again, I was not a good cook when young. I don't really understand how one can keep making mistakes without learning from them though. My ex was an absolute terror in the kitchen, worst cook I have ever seen, literally burned water once, and he learned and ended up running a little kitchen in a health food store, very successful at using what was available to make interesting food that sold well so I firmly believe anyone can learn if they want to and if they just keep going.