Patching Starships traits into game - potential issues with multiplayer?

[nimling]

In regards to this:

http://forums.civfanatics.com/showpost.php?p=13731519&postcount=16

I edited the files and the options are there, but does this lead to potential problems with multiplayer? I didn't get a response, seeing as it's difficult to find an open MP game, and explaining what the devil I was talking about went nowhere.