Empirical evidence is objective fact.
If you really think this so you're plainly wrong. There's no objectivity without subjectivity. Empirical evidence is produced by the scientific method which in turn is built with metaphysical axioms chose by consensus of subjectivity.
What you call objectivity is a consensus among people who subjectively (through faith) accepts the axioms of the scientific method.
My OP is an observation about all forms of theistic deity.
You have a very strange position about universal applicability. Actually you seem very addicted to the idea of a universal tool. Your analysis its not universal.
I am not objecting to a "philosophical system" I am objecting to claims that theists make about god.
If you're objecting to theism so you're objecting to a philosophical system. I don't understand your denial.
To say that it is necessary is not an answer. Tsunamis are clearly not necessary.
Please read about necessity and contingency in philosophy.