You will be in a fight for your life and need every ounce of every physical and mental capability you have. If you are in close proximity to the muzzle of the gun and it discharges those violent cutting and blistering gases could be directed towards you, your face or exposed skin and cause injury or at the least severe disorientation. This is a fact of life that is often ignored by the desire to have cutting edge technology. You can not ignore the night shooting part of self-defense shooting. Compensated guns are best left to competitive target shooters who can benefit from the reduction of recoil.
Most shooters can master control of the gun without compensation.
There is the argument of fast recovery for second shots. If instructed properly, the compensated gun is not an advantage for a shooter considering the peril involved. Few instructors teach students to control recoil and try to depend on hardware to do that. The shooter with ease can control recoil of most self-defense guns with little effort if shown how which is the subject for another lesson. Compensated shotguns are great and I urge the use of compensation on shotguns as few shotgun loads have much muzzle flash, and the shooter should be looking OVER the shotgun when they shoot and not focus on or put the bore in the primary vision.