"Reduntent" [sic] is repeating a talking point that have already been pointed out to be false. Unfortunately, simplification at the expense of realism is a poor game mechanic.
How are attributes not redundant? Lets go through it.
Redundant.
Not Redundant.
Debatable.
Agility -
Affects your total Fatigue - Just let me increase my Stamina.
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Damage dealt by ranged weapons - I have an archery skill for a reason.
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Steadiness in combat - Shouldn't a skilled swordsman be able to maneuver effectively in combat?
Endurance -
Affects your total Fatigue - Just let me increase my Stamina.
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Affects your starting Health - Let the races have different starting health, magicka, and stamina
-
Gives you more Health when you level up - Just let me increase my Health.
Intelligence -
Affects your total Magicka - Just let me increase my Magicka
Luck -
Modifies every skill slightly for formulasPersonality -
Affects your ability to gain information from NPCs - I have a speechcraft skill for a reason.
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Lets you get better prices - I have a mercantile skill for a reason, or at least mercantile perks in speechcraft
-
Makes it less likely for aggressive enemies to attack you - Why can't this be handled by speechcraft?
Speed -
Affects how fast you move - this used to be very redundant with athletics, but now it's at least slightly redundant with the ability to sprint and increase my stamina to sprint longer.
Strength -
Affects your total encumberance - This could just as well be handled by stamina
-
Affects your total Fatigue - Just let me increase my Stamina.
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Increases melee weapon damage - Can't my weapon skills do this?
Willpower -
Affects your total Fatigue - Just let me increase my Stamina.
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Affects magicka regen rate - Not quite sure how this will be handled
That's everything I believe. http://www.uesp.net/wiki/Oblivion:Attributes