Let us see how to say this nicely, this is partisan nonsense.
Who in the US has most weapons? Conservatives/people in the country. What kind of person most likely has a weapons training (army, navy, airforce, police, armed security, etc. etc.) you guessed it conservatives.
This week a police officer suggested that miss Ocasio-Cortes "needs a round" (aka a bullet fired at her).
Besides the Antifa idiots there are very few violent liberal groups around, on the other hand right wing groups with violent tendencies are much more prevalent.
Both sides are capable of violence, that is true, but the left has been demonized by conservatives as much and some might suggest even more. Conservative is not a slight on someone (for the most part) but libs, commies, socialists are slights against liberal people.
This whole issue has to do with there no longer be common ground, the conservatives in the US might not have moved to the right, but their representatives most certainly have and that is fueling this who issue. People will vote R or D regardless of whomever is on the ballot and that is dangerous IMO.
As a Dutch person I have been following US elections since more than 25 years and since the reelection of Bush (not his fault, just a time in history that is significant due to the war on Terror etc.) the two political blocks have been moving, the left towards more socially liberal views and the right to much more anti-immigrant, anti-liberal and very much nationalist in it's tendencies. The election of Obama has pushed the 2 sides even further apart with the election of Trump being the pinnacle of this slide into extremes. And as said, both sides have moved to their own extreme, neither has tried to work itself back to the middle but to claim that the left is more dangerous is not accurate IMHO. To be honest when I think of the left I think of the *****hat movement and when I think of conservatives I think more torch carrying idiots.
Sorry, but that is how I feel, I think it is time to move back to the center.