OK, but: that's an economic situation.
> so much less scope for engagement-hacking, dark patterns, useless upselling, and so on.
Right, so there's less profit in it.
To me it seems this will make the market more adversarial, not less. Increasing amounts of effort will be expended to prevent LLMs interacting with your software or web pages. Or in some cases exploit the user's agentic LLM to make a bad decision on their behalf.