It’s difficult, yes, but comparatively easier. Atheism-theism used to be hot topic a decade or so ago. Now the fervor has petered out, except maybe in the US of A. Europe is already majority atheism and there’s reports of a resurgence of paganism.
Yes, here too you’re not wrong. Descartes was deeply concerned about a Deus Malus. Since it seems you have, at the very least, some interest in philosophy, this should come as a relief to you. I think we can frame the whole philosophical enterprise as a struggle against The Great Deceiver and his minions.
Went off on a gnostic tangent there. Deus Bono presides over the world. Whence cometh happiness?