Earlier quoted context omitted.
That is not "computer science" any more than spotting constellations makes you an astrophysicist.
I don't really understand the point of this comment. Are you suggesting that those developers who lack a CS degree but can program effectively nonetheless don't really know "computer science," and therefore are weaker applicants? By extension, are you suggesting that most developer jobs have a need for applicants well-versed in Turing machines, automata, language parsing, trie data structures, and so on? You seem to…
you can learn computer science without needing a degree at all
Then proceeded to give an example of programming, which is not the same thing.
I agree with the assertion that one can be a successful programmer without a CS degree but let's call a spade a spade.