No, they should tweak missiles and mines heavily because they are so bad at the moment, but pulses are the "normal" weapon that everything gets compared to, it is the simplest weapon with the lowest skillcap. Thats the core of why they perform so well, as multiple posters have mentioned all pulses works amazing versus npc's because you can get 100% uptime, 100% uptime means DPE is pretty much all that matters.
Soon as you make the situation different other weapons gain a role, for example if you joust you really do not want pulses, infact pulses are probably the worst jousting weapon.
If you wanted the laser that needs looking at most its bursts, which have some strange gimballed/turret relationships and probably have too high of a power draw, in return their armour pen is lower though their DPE is pretty good. I find bursts confusing to be honest, I used to run 3xC3 bursts but everytime I try now i feel like the beams are better.