Is it possible for God to allow or tolerate something that he never originally intended? If yes, does that still make him omnipotent?

I keep reading these articles that say just because God allows something to exist or happen, doesn’t mean he intended it to happen in the first place. You take the example of divorce for example. Jesus himself said that God never wanted it in the first place, but he somehow allowed it. We see examples of polygamy in the Bible that was allowed by God to some extent. The general argument around the existence of evil is that God allows it to happen, but never intended it to be there in the first place. So if God allows or tolerates certain things against his will, does it still make him all powerful?