There are already tax schemes for productive enterprise, and this is not the first time people have been displaced by technology. It happens all the time. Also, does it matter if it's AI doing the production vs overseas labor? If you're worried that people won't be able to afford to buy the output of the AI, that kind of implies that they can work for cheaper than the AI (and can thus outcompete it, at least on average). In the long run, things will reach a new and probably more abundant state. In the short or medium term, we may have some pain and need to strategize how to help people adapt.