Keep in mind the only people using LinkedIn as anything other than "resume holder" or "mediocre job board" are also the type of people to think "Agree?" is some sort of enlightening prompt.

it's a marketing hack, LinkedIn's algorithm boosts posts with lots of comments and engagement. So people post those artificial questions at the end which are basically preaching to the choir

the fact people actually fall for it is depressing

Now it's more like for agree, for xxxx, for ....

There are supposed to be emoji's in there