never write anything on linkedin about nonbinary identities without allowing comments only for connections. i wrote a post about how i sometimes see Women in Science organisations want to include nonbinary people as well, and being a bit clumsy with it. now i got this type of comment

I'm usually not the type of person who cares about titles but if you either use a title for all people or no people in the email - not just a title for the man you speak to.