Or the big words on the moon could be surrounded by a whole book carved into the face of it, which could then be read when telescopes were invented, a technology which Jesus could even have given to mankind, with the call to use them to read God's message on the moon. The rest is just the detail. But again, the stars are available, telescopes are available. Or, if it is vital to have the whole New Testament confirmed as God's word, God can simply make every true and correct copy of the New Testament indestructible. If anyone wanted to test which Bible was correct, he need only slice a knife through a page and watch it heal miraculously, or see it resist the blade miraculously.
Gods can do a hell of a lot.
That's why the resurrection is not impressive relative to what a God can actually do to prove a point. And thus the resurrection does not prove its point. So even at first glance this proof does not fit the claim. He clearly envisioned a mass event. Copying is freely permitted, provided credit is given to the author and no material herein is sold for profit.