He is capable of it. He is equally capable of doing it through any religious text. Man is equally capable of creating those texts for his own purposes. Man is not capable of manufacturing Creation for his own purposes. Which one is more reliable?
That's curious because earlier you indicated:
He reveals Himself in His Creation. Man reveals himself in what he claims God thinks.
...but as long a it can be used as a tactic to discount Judeo-Christian scripture, I suppose it somehow then regains it's validity.
Man is not capable of manufacturing Creation for his own purposes.
Funny because the secular humanist materialists are sure trying hard to create life in the lab and say it's only a matter of time.
What man IS capable of is recognizing His creation, and...
I believe God isn't so impersonal as to leave us guessing...and after all, anytime someone even mentions the word "creation", the secualr humanist materialist liberals become unglued and see any and every recognition of His creation as "a religious attack on science".