I guess turbo's and superchargers are bad too since they push in more air. Dont really see your dad's reasoning behind that. the faster you can get the air in and out, the better.

Jim Hahn 1996 T-Red Contour SE Reborn 4/6/04 3.0L swap and Arizona Dyno Chip Turbo Kit 364 whp, 410 wtq @ 4,700 rpm