Of course. If your logical brain can embrace quantum physics and the acceptance of the zero point energy field. You can embrace the possibility that witches (or anyone) can manipulate energy in ways that defy current thinking.
Before organized religion came to be, working with unseen forces was part of ordinary life. Then along came the middlemen who decreed that only they could intercede with magickal forces. Gradually, ordinary people gave up their power to their 'superiors.'
You can't see electricity or the wind, can you?
Go read, research, and then decide. Try The Secret History of the World by Jonathan Black. It's speculative rather than factual, but thought-provoking, nonetheless.