The title of this post is slightly off-base.

You'll need to expand your applicable geographic region to see what the changes actually are.

For example, for USA/ROW:

> Generative AI Model Training: There are currently no changes to GenAI training in these regions arising from this Terms of Service update. Our existing settings continue to give you control over how Linkedin uses your data for GAI model training.

You can turn everything off in "Settings & Privacy -> Advertising Data"

and

"Settings & Privacy -> Data privacy"