We've been lining up differently -- not sure if it was something that was in WFTDA 2.0 that we started doing before it got rejected, or if someone's taking a visual from somewhere literally or what, but we now line up 2, 4, and 2. That is - pivots (only!) on the line, second row staggered X, O, X, O, then behind them, the remaining two blockers.
I don't feel having the inside to start is a big advantage (not that I'm a jammer or anything, though). I prefer the outside so I can pick up speed taking the first turn wide before swerving in.
Pivots are people too.