If you’ve mastered storing energy densely, energy weapons are just way better than ballistic ones. You get way more “ammo” out of the them and more flexibility as you say.
Stargate just had intentionally stupid energy weapon usage. The staffs were just bad overall, including in melee. A gun you aim by swnging it on top of your shoulder, that fires incredibly slowly and inaccurately that barely has as much punch as a 5.56 round? That you also use as an incredibly top heavy and slow bo staff? What are you idiots doing?
Meanwhile they have Zats, which are amazing, and barely use them. Rapid fire wide projective pistol grip guns that you can duel wield that instantly down your enemy in one hit, regardless of where you hit them? You have these shits on hand but all you motherfuckers are running around with cumbersome staffs?
Why Stargate command never made a zat rifle is beyond me. A P90 stock with unlimited ammo that was by default non lethal? Why the fuck are you not doing that?