Type 2b Error amplifier in SMPS is pointless?

[Faringdon]

Hi,
Do you agree that the Type 2b Error Amplifier is a waste of time in SMPS feedback compensation and should be done away with?

Its a fact that any feedback compensation that can be obtained with a Type 2b Error amplifier, can be  improved on with a Type 2, Type 2a, or Type 3 Error amplifier.
The Type 2b offers no phase boost whatsoever, and clamps the gain which often isnt necessary, and the same gain (at whatever frequency) can be achieved with Type 2,2a  or 3  anyway.
The only single use for a Type 2b, is where a low value resistor is used  in parallel with the feedback cap, to prevent the error amplifier from saturating (to prevent integrator windup) ...however, this gives large DC offset error, and is simply not necessary in virtually all SMPS applications....if not all of them.

[Faringdon]

The attached is i believe , proof that the Type 2b Error amp is a waste of time. (except for the rare  case of avoiding "integrator wind up")
It shows the Bode plots of Type 1, 2, 2b and 3. (and of an inv amp for good measure)
The phase plot of the type 2b shows it all......
The phase begins at -180degrees, then uselessly sinks down to -270degrees...and gives a lousy DC offset in the process....unlike the Type 2 and Type 3 that give the nice phase boost at the higher chosen frequency if wanted....the greater flexibility.

You can keep the phase higher till higher frequencies by reducing the DC gain of the type 2b, but in return you are punished with  higher DC offset.
Not only that, but if the capacitor in the type 2b is >22nF say, then youre going to need a <1nF capacitor in paralell with it anyway, for noise abatement....and then you are using a type 2b  with 4 external components...........But a type 2 has 4 external components.......and using a type 2b instead of a type 2 would be madness.....(unless of course you have the "integrator wind up" case to avoid, and can tolerate DC offset, and can tolerate relatively low feedback loop bandwidth)