Well, there is no other way to participate a social media campaign, they must to check your account before to decide to join you or not. Yes, it may seem a little bit dangerous, but believe me, there is nothing to scare, people can't hack your page if you have good password and do not use it in public places.
i think i agree with you, after all it is called social media, sharing of serious personal and official matters is not even advisable on socials seems they vulnerable to public view