well that is specious reasoning.
having a body kit is one thing, putting a written "sign" on your car saying that it is something that it is not, is a different story.
There are plenty of the GTR style GTS badges available for minimal cost and will cover and the exact same spot where the offending badge is.
Yes you are right it is a free world and people can do what ever they like to their cars, but under that same freedom we have a right to an opinion and the right to express it and as you said .... "if you don't like seeing it, close your eyes".