I think the joke is going over my head ^^; Maybe you mean 'just' a regular developer as opposed to a cryptobro?

Edit: I see you added in a link. "The research found that more than half of the 1200 developers surveyed are unable to ensure that their code is protected from seven common vulnerabilities", hmm maybe it was not a joke? The article (or the survey it's based on) sounds extremely misguided though, sounding comparable to saying that only X% of farmers never had a single rotten apple so clearly it's not a 'top' priority for them to produce quality at all cost

Oh, and I just noticed you're the same person as whom I was responding to above. That explains

Fwiw, I do security audits as a day job so I have some idea of which coding practices lead to good security and it's not download size. You can try this "you're just a developer" again on someone else maybe