You may hope that a judge considers a really weird and cherry-picked weird edge case to be "normal use", but opposing counsel will argue the opposite, and have

You may hope that a judge considers a really weird and cherry-picked weird edge case to be "normal use", but opposing counsel will argue the opposite, and have a lot of evidence if they actually look at real use. "I can use a gun to shoot someone" doesn't make guns illegal, even if people do so with some regularity. "I shot someone to make the point that guns can kill people" is worth even less in the eye of the law, and that is literally what you're pointing to here.