To be clear, I think conqueror needs a buff. His shield bash is just broken atm - it should be punishable, but faster; higher risk/reward. In addition, he needs faster lights and heavies imo. His windup is useless. Conq is weak without the broken shield bash.
Saying you can dodge shield bash is like saying you can roll away from warden's vortex. Nothing should be free/unpunishable in the game. Goes for warlord headbutt, wardens vortex, shield bash, etc.