It is not sufficient to work against current AI. It needs to also work against AI that has been trained by a competent team aware of your mitigation. Or worse,

It is not sufficient to work against current AI. It needs to also work against AI that has been trained by a competent team aware of your mitigation. Or worse, a competent developer with no particular AI skills. Otherwise, you are relying on obscurity, and will lose as soon as you become interesting enough to matter. You will also break non-AI machine processing use cases. That isn't just accessibility, it is things like search.