God is not a man: He said "let there be light" and there was light, without argument. If God had been a politician or a civilian God, He would have had to call senators to seek their opinion before the decision could be made, but God doesn't not counsel from anyone. Psalm 89:13.
God has no limitation: In Exodus 13, Moses told the Israelites to do some things. Some people wondered why all those things had to be done, especially since they had eventually come out of the land of Egypt and from the wilderness. The reason for this is to ensure generations coming after them are informed of how the mighty Hand of God rescued them and so that their children could know that it was not their wisdom that brought them out of slavery.
Why does God use his mighty hand?: When God sends somebody to you and he or she refuses to heed, He would use His mighty hand. God would take hold of that person with His mighty hand. If God gives you an instruction and you refuse to obey, He would take hold of you with His mighty hand.
If one's benefit is in a tight corner, that person needs the mighty hand of God to receive such