The point is that these are not separate. They cannot be separate.
Deep understanding, taste, aesthetic, sensitivity to nuance, and so on...none of that can be developed without intimate involvement with the process, with the thing itself.
Your example of poisonous paint vs buying it in tubes is a fallacy, because that isn't what we're talking about. We're talking about _actually painting_ vs just...telling someone else to paint.
Deep understanding, taste, aesthetic, sensitivity to nuance, and so on...none of that can be developed without intimate involvement with the process, with the thing itself.
Your example of poisonous paint vs buying it in tubes is a fallacy, because that isn't what we're talking about. We're talking about _actually painting_ vs just...telling someone else to paint.