If a god exists, they’re completely superfluous, unnecessary and not worthy of praise.
You say that, but you’re alive. So I’m assuming that you do somewhat appreciate being alive since you haven’t unalived yourself. You might even think it’s pretty neat.
What absolute brainless nonsense is this? What’s that even supposed to mean?
You say that everything is unnecessary and unworthy of praise which equals saying life has no worth and is meaningless.
Yet you are still living so you seem to be finding worth and/or meaning in it.
That God is the reason for my/your/our/Our existence, seems clear enough, you can refer to Aristotle or pretty much any other theologian on this topic.
See, believing in God was never irrational after all, you were just brainwashed by modernity(, on this topic as well).
Also, God is the Greatest being, by definition(, see St.Anselm ٱللَّٰهُ أَكْبَرُ), so S…He is also my/(y)our/Our/the Guide/Example/Light(house)/…