But man was fairly dumb for a very long time
You are trying to equate savagery (a cultural condition) with intelligence. They are not the same.
A modern group of people cast away on a remote island would probably end up as savages within a few generations, while remaining as intelligent as other
Homo sapiens.
Perhaps you should study some science and leave the religion stuff alone for a while?
Religious belief does not constitute scientific evidence, nor does it convey scientific knowledge.
Belief gets in the way of learning--Robert A. Heinlein
In the name of diversity, college student demands to be kept in ignorance of the culture that made diversity a value--StultisTheFool
It's not what we don't know that hurts, it's what we know that ain't so--Will Rogers
If I am entitled to something, someone else is obliged to pay--Jerry Pournelle
If a religion's teachings are true, then it should have nothing to fear from science...--dwise1
"Multiculturalism" demands that the US be tolerant of everything except its own past, culture, traditions, and identity.
Liberals claim to want to give a hearing to other views, but then are shocked and offended to discover that there are other points of view--William F. Buckley Jr.