There's still a link, so from a purely rational perspective the small benefit you get from allowing it is bigger than the zero benefit you get from disallowing it.
The calculation would be different if you had a website large enough that excluding it would measurably make the chatgpt search service worse, which is presumably why OpenAI has been willing to pay some large players.
The calculation would be different if you had a website large enough that excluding it would measurably make the chatgpt search service worse, which is presumably why OpenAI has been willing to pay some large players.