Savage - A1/2 vs A3/4 - To big of a jump?

[MrTherm]

You're right, the better way would have been to make A1S and A2S just as hard A3S and A4S. Then we would have only had to worry about two difficulties, story and raid.

The problem with that becomes that story mode is just that. For story. The difficulty is a joke+1. So what happens to the mid-core raiders? What becomes their purpose to log on and play?