The Purge: #4683 Suburbia: Con Tiles: Needed Promos? Or just a cool addition?

About Suburbia: Con Tiles, from BoardGameGeek:

Add the five most important gaming conventions in the world to your city with Suburbia: Con Tiles. These tiles are fully compatible with the Suburbia base game, while also including stars to work with the Suburbia 5★ expansion. This expansion includes tiles for: Kublacon (San Francisco, CA, USA / Memorial Day weekend, May) Dice Tower Con (Orlando, FL, USA / June) Gen Con (Indianapolis, IN, USA / Late July/Early August) Essen Spiel (Essen, Germany / October) BGG.CON (Dallas, TX, USA / November) These tiles can be obtained individually at Kublacon, Gen Con, Spiel, and BGG.CON at the Bezier Games booth or as a preorder set through Bezier Games. Additional sets of these tiles may be available for purchase following the 2015 conventions or at the BoardGameGeekStore.