The current state of the art with optics choices requires compromised to be made, including but not limited to:
4) Clarity and quality of the glass
5) Overall quality, brand reputation and warranty
ect. ect. ect.
So optics selection is really depends on what you want to do well verses what you don't care about doing at all. For my Scar 17, I would rather not do anything exceptionally well in order to be able to do any shooting task at least adequately. Yes, more glass on a bolt gun will be more accurate, and yes, less glass on an SBR'd AR will spray more lead faster at close range... but you need to carry both that bolt gun and that SBR to beat me at those tasks when I only my Scar 17 to do either task acceptably at the same time. I won't win any 3 gun completions with my Scar 17 setup, you need at least 3 proper guns to fulfill the "requirements" to compete in a 3 gun competition... but I promise you I can still hit all of the targets, pistol, stationary shotgun targets and rifle targets on any 3-gun range with only my Scar 17, and I can do it in not a lot more time than a real competitor with the proper 3 different guns. I want as generic and most utility I can get, even if it means I don't do any specialized shooting task better than just good enough to be acceptable. So I wanted an optic that would cover the broadest range of shooting tasks.
I found my vision makes a high magnification FFP like the top of the line Leopold's unusable for me at lower magnification because the reticle becomes too blurry when the power is turned down low.
So I opted for a ~$3k March 2.5x25x42 SFP Tactical Illuminated (they also make it in FFP). It is made in Japan by Deon and is excellent glass and is also lighter than the Leopold's or any similar scope. I know that some will say you need 2x maximum for hunting, especially here in GA because you need the field of view. But 2.5 seems to work for me and 25x lets me identify things at a distance which extends my range as much or more than good eyes can see with lower magnification.
My Scar 17 is my "One Rifle for Everything Adequately" firearm and my March 2.5-25x is my current "One Optic for Everything Adequately" scope.
But that's the thing with my ADM mounts... I can swap scopes from rifle to rifle in seconds and then zero them back in.