I shouldn't have to, it's pretty obvious. But sure, if I were a crazy person hell bent on harming Elon, then that account gives me precise times and locations where I could find him and chase him down with a gun. Or hey, look. Elon landed back in Austin tonight, so I could probably find him at home, or leaving the airport soon. The Austin airport is not that big.
I honestly was unaware, but it has been pointed out to me that Elon even said as much in a tweet from 11/6. He explicitly said it's a direct threat to his personal safety. Sure, in the same tweet he said he would allow the account to continue, but I think that's a perfectly fine thing to change your mind on. I would never wish anyone's safety be put at risk for a dumb Doxxing account in the name of free speech