That he had the support of Catholics tells us more about the Catholics than about Obama. He did not have the support of those who hold on to Christ, alone.
Since the Niemöller anecdote is repeatedly brought up...
Does anyone think Niemöller (or anyone else) could have “done” something to stop the rise of Nazi Germany? God is behind all history, don’t forget. He uses the devil and all his children for His own righteous purposes. Let’s not imagine we are in control here!
We ought to stand against evil, but sometimes the will of God is that the wicked will flourish...only to be “forever destroyed”. (Job 92:7)