Again, with a custom rifle you have a LCD - That's the Smith.
If a bad smith makes your rifle, regardless of what it is, AI or GAP or SAC, it's going to be bad.
So if I get a good custom and you get a bad AI, it is what it is.
That being said, as a hobby shooter, why in the hell do you need a rifle with 3 barrel swaps? -- And just because it's convenient, doesn't answer the question.
What the hell does need have to do with anything? You sound like a politician! Lovem or hatem, that is one of the good aspects about a Savage, the barrel and/or caliber can be changed out quickly and easily. One could also have different barrels for different applications. If in a shoot and move match where most of your targets are under 800 yards, a 20" barrel would be hard to beat, but if banging steel at significant range from primarily prone positions, a 26-28" barrel would give more velocity and better rifle stability.