The one part of this we should be taking absolutely seriously isn't Li'l Davey Hogg, but the anti-2nd Amendment groups that are acting as his puppet masters. You may rest assured that going forward, gun grabbing will be THE front and center issue for Dim'Rats regarding campaign funding, committee assignments and damned near every other decision in the hands of the DNC.
Meaning, they will continue to antagonize the American people and descend further and further into irrelevancy, but they still have a fairly potent short term venom that can hurt the country in the here and now.