Yeah. . .you are right. . .must have been stone sober from all that partying at a bar. . .it's the drunk ones that don't do that.
For all we know she was drinking tonic water all evening. To assume that she was drunk seems to be attempt to blame her for the actions of others if she indeed has fallen into dire circumstances.
From what I read, all that the article said is that her location is unknown. All else is surmise.