And regarding "The way forward is to go where your audience is being influenced," that this marketer says, for my case and the his “best rice to make risotto.” case, they can't do SEO on ChatGPT (at least for now). ChatGPT doesn't even show/link to sources like Gemini; they are screwed.
This process of
1. Scrap content.
2. Train/mix.
3. Show new mixed content without sources.
is a nightmare for them.