I think you answered your own question - the economic incentives are all aligned to make the experience bad for the user, mediocre for the advertiser (who doesn't have a choice at the moment), and great for Google, at least in the short term.
Unfortunately for Google, the other AI companies hoovered up the Internet too, so Google's hard-to-reproduce scale is no longer the moat it used to be.
And unfortunately for us, the economic incentives to inject pervasive ads into LLM outputs are irresistible, so enshittification is guaranteed once search engines are abandoned.
I think you answered your own question - the economic incentives are all aligned to make the experience bad for the user, mediocre for the advertiser (who doesn't have a choice at the moment), and great for Google, at least in the short term.
Unfortunately for Google, the other AI companies hoovered up the Internet too, so Google's hard-to-reproduce scale is no longer the moat it used to be.
And unfortunately for us, the economic incentives to inject pervasive ads into LLM outputs are irresistible, so enshittification is guaranteed once search engines are abandoned.