A Button (blood Type) on LinkedIn

What it signals here

professional use

Highly inappropriate for professional communication; rarely if ever used in LinkedIn posts.

post context

Would be considered unprofessional if used in posts; might appear in very casual or humorous content from younger creators.

appropriateness

Not appropriate for professional context; its meme associations make it unsuitable for formal communication.

comment use

Virtually unused in LinkedIn comments except by younger or more casual users making ironic points.

See it elsewhere