Your analysis overlooks a massive cost asymmetry[1] in favour of the spammer. THey only have to pay the LLM cost once to generate a message which they can use t

Your analysis overlooks a massive cost asymmetry[1] in favour of the spammer. THey only have to pay the LLM cost once to generate a message which they can use thousands/millions of times versus the receiving side would need to pay an LLM to check and classify each incoming message. [1]Either you pay a SaaS LLM provider or you pay the cost of compute to run the LLM yourself