Apparently The Elder Scrolls series is moving away from putting too much emphasis on racial separation (Stat wise/dungeon/combat gameplay wise). Skyrim's approach to all this gives plenty of reasons to object to that.
Skyrim's approach is what is under discussion; "that's just the way it is" isn't an argument. I'd be delighted to know what you mean by "plenty of reasons to object" since I can only think of one, and I think it's one that could be resolved.
Racial perk trees would actually play into their current design and enhance it. Not only is the mechanic virtually identical, but they could use it to replace racial abilities with a more interesting mechanic that could be extended in a logical and consistent way. More importantly, since it would be optional, like other perks, it wouldn't have to impact the player's experience at all: by choosing not to invest in racial perks, they would be playing the exact same game they are playing now.
Have a perk tree that allows Orcs to invest multiple points in Berserker Rage: then a 'true' Orc warrior could really become more and more fearsome by 'tapping in' to their racial heritage, simulated by investing in racial perks using the same mechanic they use for skill perks. But do one better: give them perks that allow them to apply Berserk Rage to Destruction magic as well to make their magic do more damage at increased Magicka cost. It wouldn't be automatic, it would be something the player had to choose to do; but it would guarantee that an Orc mage is as powerful (more powerful, actually) as a mage of another race,
in this one aspect, making adopting the role of an Orc mage an interesting RP opportunity.
The other races could be extended the same way, with different advantages for different kinds of things. Redguards could have multiple levels of Adrenaline Rush, allowing them to make even more power attacks, offsetting the advantages given by Berserker Rage. Multiple levels of Histskin could provide a rock-paper-scissors advantage for Argonians. Bosmer could have improved accuracy causing more bleeding damage, Nords an increased chance of staggering oppponents or breaking blocks, whatever. The point is: the races could be balanced in such a way that none of them has 'homefield advantage' because they are each better than the other races in a different area of combat. Against certain types of opponents, and in certain situations, they would have a small advantage, but every race would be in the same boat. No upper limits on skills, just slightly different perk options. Nobody can take all of the perks as it is, so as far as I can tell, this doesn't offend the 'spirit of Skyrim' at all.