On the surface, it does seem very "publicity stunt" to me... didn't even think of the viagra angle. If he proceeds, I suspect he is in for some major criticism on several fronts. But Lavar Ball seeks it out so I guess it's a new trend?
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .