Not really. For those having their eyes open it has been in the works for years. And.certain of those cultural sensitivity trainings, racial sensitive review boards, were in place well before 2015.  Most people however, provided they even hear the bell toll, do not even know what makes it sound, untill they are shown.  On the other hand, this is exactly why the right of the people to carry, and to bear arm, shall not be infringed.