First of all: You were down voted, but I up voted your comment because I respect it.
I still humbly think that it'd still be a cat and mouse game on every side imaginable.
You may argue that this leaves individuals vulnerable (people not being able to discern actual people from chat bots, which was the given example), but in the end, people learn to adapt. They get their own AI assistant to do the job or they keep doing what they did before: Just don't trust anonymous people online. They can be murderers, molesters, terrorists or worse, bots :)