True. And therein lies part of the problem: once all of these other different little smaller studios began emerging from the shadows like Illumination, Sony Pictures Animation, not to mention all of these other little off-brand studios that were growing more prominent in the mid and late 2000s, the competition began exploding so much to the point that there was actually no competition left: suddenly, we had dozens of studios cranking out their own versions of fractured fairy tales, or other attempts at franchising a property or title, that suddenly, the least of either of the big boy's concerns were rivaling each other, because there were suddenly all these new kids on the block contributing their own ventures - neither Pixar or DreamWorks really had a reason to try to top the other, and they gradually began losing that A-game that they always brought to the plate.
Not only that, but as CGI has taken over as the prefered marketable form of animation, thus basically all but burying traditional hand-drawn and 2D animation into an early grave, the novelty, wonder, and amazement of CGI has died out to the point there is no novelty, wonder, or amazement to it anymore. In the 90s and into the 2000s, CGI was still new and evolving rapidly, so it was always such a treat to see how much more realistic certain textures would look, or how much more fluid and lifelike character movements seemed . . . once upon a time, TOY STORY was so groundbreaking . . . even the original ICE AGE was being hyped for its then-advancements in CGI animation technology, and for their days, yes, these movies looked amazing . . . now, they look so primitive that they actually look like low-budget indie movies, in spite of the fact that the technology that went into them was considered state-of-the-art at the time.
I will say that DW's earliest attempts at CGI movies like ANTZ or the original SHREK actually still hold up very well, but then again, they seemed to always be ahead of their competition on advancing technology . . . again, neither the original TOY STORY or even the original ICE AGE have aged well at all, technologically speaking.