Why does anything exist? Quantum physics says nothingness is unstable, creation had to have happened?

Why is it so difficult to believe in a Creator or Designer? Many physicists, through years of work, have conceded the fact that our reality is nothing more than a digital hologram. Crazy, but true. And if the universe as we know it, started with a big bang, what was the initial thing that CAUSED the big bang? If you have some time, check this out...http://www.youtube.com/watch?v=0hQFO6ugWxU