There was no reason to think he would bid $54.20/share for Twitter, either.
There was no reason to think he would call a guy a pedophile for criticizing his submarine idea.
There was no reason to think he would name his kid with nonstandard characters.
There was no reason to think he would offer to trade horses for blowjobs.
There was no reason to think he would _______. I'm not saying he's a Nazi, or that he is especially likely to call himself one. It's impossible to say whether he is more likely to wake up one morning identifying as a Zen Buddhist, or a Laveyan Satanist, or a Nazi, or a Methodist.
You don't know what he'll say or do to hose the value of your car, and neither do I, and neither does he.