Bug? 'DPI based editor viewport scaling' affects rendered movie quality

Surely DPI based editor viewport scaling is only meant to affect viewport previews, to improve performance when working on a project using a high DPI screen?

Check out these frames, with with it enabled the other with it disabled -

Enabled - Dropbox - TestAlign_Map2.0474.png - Simplify your life

Disabled - Dropbox - TestAlign_Map2.0474_DPIBasedEditorViewportScalingDisabled.png - Simplify your life