Exactly opposite, they needed to drop this on arXiv first to stake their claim before anyone else. It's open for everyone to test out now, so if it's legit, we'

Exactly opposite, they needed to drop this on arXiv first to stake their claim before anyone else. It's open for everyone to test out now, so if it's legit, we'll know soon. Also, it's a smart move if they're worried about leaks, now they're in control of the news.