If I worked for a company that closed the doors and moved to Mexico becaue of ridiculous union demands and perks who do I thank? No doubt in years past unions caused some good things to happen. Their time is done.
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 .