> Perhaps
No, which is the entire premise of the linked article we're discussing.
> And what about 10 or 20 years from now, will your non-desire to shoot people still not exist?
Perhaps, but it will have considerably less to do with video games than other life factors.
> Neuro-plasticity effectively dictatess we are what we consume, we are what we do
This isn't what neuro-plasticity means. It means your brain can perform a task with less work, not that you "become" something because the pathways are optimized for a task.