I think that people would spam on this page no offence so i am going to report it to the mod. also yes it has been noticed and i don't know why they have not dissable that so ya.
Yeah, it is greatly discouraged, since you're not supposed to post on your own page...
Reply to people who comment you on their page, and report users who post excessively on their own profile (a single comment on your own profile can be okay, but generally it's not good).