Saw the news about Valve doing a DMCA on Team Fortress: Source 2.
I'll say the same thing I always say: stop putting thousands of hours into making things with someone else's IP. At some point they will nuke it, like Nintendo do all the time.
Be original, be creative.
@gamingonlinux Yeah. Same. I do wish more game companies were welcoming of fan works, but it is what it is.