BC (Before CAS): I started reloading in the 80's. Then there was no such thing as Federal Premium or ammo manufactured by Hornady or Nosler. Hornady and Nosler made bullets. "Factory" ammo was Winchester Super-X or Remington Core-Loct. You could not buy ammo as accurate as you could make. Today you can, but you may pay $40/box (before damnpanic). That's the "just buy it and shoot it" ammo for the hunter that fires 4-5 rounds a year. If that's you, then, yes, no need anymore.
Other than the AR15 or the Chi-Com 7.62, I have never fired a factory round in a rifle I own that sho