If you add me as a friend out of the blue, you'll get blocked and reported as scammer.
If you add me as a friend and your profile is private or empty, you'll get blocked and reported as scammer.
If you add me as a friend and the only game you have on your steam library or showing up on your profile is Team Fortress 2, you'll get blocked and reported as scammer.

Got it? Good, now get out.