As gwern pointed out, this post commits one of the basic fallacies of conditional probability. Since this is a somewhat politically charged topic, and sarahconstantin has been around a while and so could be expected not to make such 101-level mistakes under normal circumstances, someone could reasonably surmise that she stopped looking for possible counterarguments once she had reached a conclusion she liked for political reasons.
As gwern pointed out, this post commits one of the basic fallacies of conditional probability. Since this is a somewhat politically charged topic, and sarahconstantin has been around a while and so could be expected not to make such 101-level mistakes under normal circumstances, someone could reasonably surmise that she stopped looking for possible counterarguments once she had reached a conclusion she liked for political reasons.