But LLM, while able to generate spam, if used used for search will reduce the need to click on a website, reducing the traffic to SEO websites… driving down profitability of doing it.

exactly. my only hope is that the flooding of cheap bulshit craters the market via oversupply. a combination of to much shit text competeing for ad space drops their revenue and people having diminishing trust for it reducing the ad clicks for it dropping the ad revenue even more