yup, it is a high risk/high reward strategy.
it doesn't matter what you think about it, it is right there in the fluff, people worship chaos for all manner of reasons, and only a tiny percentage of them ever actually become a daemon prince.
Nobody has said chaos are sad losers, these articles prove the exact opposite, that chaos armies fight on regardless of mundane issues like supplies. you just seem to want them to be super powerful, all knowing, badasses who can fight fantastically at all times and have magical ever filling magazines of ammunition.