The recoil advantage goes to the 270, which often trumps a small advantage in ballistics.
recoil advantage for .270 can vary, dependent on an individuals sensitivities, or perception of 'felt recoil'
and for those that elect.270 so they can have a lighter rifle are trading away or diminishing recoil advantage.
Some folks are not at all bothered by toting a heavier 7-mag, in fact they also prefer such for a steadier hold.
