Except for one minor problem. Energy is not free and unlimited for us with our current technologies. If we had limitless power, sure, absolutely. Time of scarcity is over.
Until then, you are simply wrong.
*looks up at the sky, sees a huge quadrillion-quadrillion-ton fusion reaction overhead"
Well that ain't unlimited, but it would probably last us a while. Maybe we make a little version of it around here sometime, you know, for convenience.