What was that movie last year, about the conscientious objector who became a medic, then a hero, saving many lives? There were a small, but dedicated number of individuals who had to find ways to support the country without being personally violent or advocating violence.
Who knows, the senator may have believed that if he advocated for the weapon, with his known preferences, the majority of the committee may not have taken it seriously. In that case we would have lost a weapon and a bubble gum.