I've singled this out for one very important reason. GW's policies. Pretty much, you can't mix 40K and something else in, say, a game.

Now, if you did this for your own personal use, and had it as a mod you played that changed the icons, that's one thing. But as a custom icon set compatible with multiplayer? No go, buddy. No go.

you can change the icons for yourself and it will not effect multi-player.

Textures sounds and music can be in a mod and still connect to everyone

The whole point was multiplayer, the changes are usually for atmosphere where other players are concerned not myself. There is always one Id10t who will do things like put rude symbols in. 

In this case I say we also ban the renaming of planets and ships, especially because people may rename them to 40k names. C'mon people be reasonable. Everybody knows not to use 40k, did it ever stop people at LANs ? no. Did anybody make any money? no Did anybody care? no Was it relics fault for making it possible to choose? no Lets stop being scared of shadows and minute possibilities. Nothing would get done in the world with these attitudes. WAIT... don't go outside, no doubt somebody will use that Bus to hit you... we really should not have built buses, they have a chance of being abused. I mean look at half the forum names here... hm hmm dirty sanchez. anyone offended? 

sheez people. You cannot control what the whole world does and the cause is immaturity not the game! 

Post hoc ergo propter hoc

In homeworld2 and dow1 it was a huge success...... did those games get a bad reputation?

Post hoc ergo propter hoc

There's a difference between including an image that is infringing in your game (sidestepping the thorny issue of how similar it must be to constitute infringement), and an end-user uploading an icon that is infringing into the game.  There are legal protections for service providers so they do not face crippling liability for the potentially infringing actions of their users.  So long as Ironclad doesn't actively encourage that sort of thing, they'd almost certainly be in the clear due to the small scale of the infringement (low-res icons).

Yes but from memory you were replacing current icon choices. Also the need would be for other people to see it through synching of icons just like names.