As the article indicates, they are different rounds for different purposes, therefore there is no “best” except for in regard to the intended purpose. The more flexible round, IMO, especially for home and yard defense, would be the .308, but for a one shot kill at long range, go 30-06.
Speaking from experience, for CO elk out to 300 yards, 180 grain Nosler Partition thru a .30-’06 is (with proper placement of course) a one-shot kill...
The .30-’06 can be loaded with bullet weights from 110-250 grains, and is “enough gun” for anything that lives in North America...
My uncle (A WWII Army Infantry officer) remarked more than once how the German soldiers they captured often marveled at US troops making hits against them at 6-800 yards, and the devastating effects of the Garand...
I shoot the M1A and Garand, and the .30-’06 is still my personal all time fave...