THe LinkedIn Connector must have a trigger for when a new post / update pops in your feed. The user may then create a Filter the post for provided filter criteria (looking for key specified words), and then a user may choose to email.
Yes, this is totally needed, just like Twitter also has such connector, its super weird why this flow a microsoft tool does nto connect to linkledIn another microsoft tool.
Well one should have guessed this much from microsoft ๐