Pointing to someone who offers code altering programs which might be against license agreements.
Plus advertising someone's business who isn't related to Valve or their subsidiaries.
There is a cheathappens.com steam group page. They don't seem to have a problem with that so they should just leave us alone. Even states who we are on the group page. Link
The Cheathappens.com Steam Community Page
Cheat Happens is one of the largest and most respected cheat databases in the world. Online since 2002 and updated daily, over 80,000 people visit everyday for the newest cheats and codes to all the hottest games.
As a side note, Cheathappens does not condone cheating in online games, we may be cheaters, but we aren't bastard cheaters.
Personally I don't give a **** about those trading items, it's their "buzz-nest" and have no value to me
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem