Because those were predicate charges, not the crime Trump was charged with.
175.10 states: "A person is guilty of falsifying business records in the first degree when he commits the crime of falsifying business records in the second degree, and when his intent to defraud includes an intent to commit another crime or to aid or conceal the commission thereof." What crime was concealed isn't the charge, but a component of it. It could be any one of the three mentioned, all would prove his guilt.
Whether or not that's a sufficient basis for reversing the decision remains to be seen. I'm curious, though, if the appeals court doesn't find the charges as vague as you do, will you accept their ruling?
-- A2SG, the appeals court justices probably have more experience in NY law than most MAGA folks do...call it a hunch.....