We need new solutions to adapt to this reality.

Problem should solve itself once investor capital is no longer flooding into these AI companies and subsidizing the cost of generating that text.

Once these spammers have to pay the full cost to generate their LLM-generated spam, it will no longer be financially viable for them to do so for so little return. They're only doing it now because it's free or next to free. Having to pay what it actually costs will slow the pervasive AI slop to nearly nothing.