Refusing costs you: A setting, depth unverified. Who receives you: Categories only.
“If you are a LinkedIn member, click here to opt out of sharing. Guests can opt out by visiting guest controls.”
Paste this where the card should sit. It is the live verdict: if the grade changes, the card changes. It loads nothing from anywhere but this site and sets no cookie.
Editors that support oEmbed can paste the entity page's address instead, https://isitsellingme.com/entity/linkedin-us/, and get the same card.