A few years back the term “Gun Culture 2.0” started to appear basically to describe the new generation of gun owners. I think it is part of a broader shift towards cultural libertarianism that can be seen in how antigun activists are now treated by gunnies. Twenty years ago they were viewed as simply being ignorant about guns, but through education could come over to our side. Now they are routinely mocked and laughed at with #ShannonWattsTantrum being a good example.
Here is a video by Paul Joseph Watson describing how conservatism/cultural libertarianism, which Gun Culture 2.0 is a subset of, has become the new counter-culture to the progressive/gun control establishment: