70,000?
There were 30-40,000 people, and even believers claim to have seen nothing.
If only “believers” saw something, and “unbelievers” saw nothing, what would be the natural conclusion? Mass hypnosis. Hysteria. Credulousness.
In fact, many unbelievers saw the miracle, and some believers didn’t. Obviously, there wasn’t a correlation.
Obviously, you HAVE studied the whole matter, and are obsessively hostile to it.