Just because there are two different approaches to something doesn't mean one of those approaches isn't better than the other. This should be common sense.
Anime uses completely different animation techniques.
Having more frames of animation (I don't know if it does or not but let's assume for argument's sake) does not mean having better animation. By your logic I could curpass Disney right here from my one man studio by drawing animation at 30 FPS, 6 more than what Disney used. I can barely draw a stick figure, but that's ok; it's the framerate that counts.
Anime is still predominantly animated on pen and paper.
They are much, much, much higher quality than backgrounds in cartoons, and they use more than one or two perspectives. And they do often have animation like flowing water, falling leaves, drifting clouds, twinkling stars, background pedestrians and vehicles, and traffic lights.
They also use multiple planes to make it look more convincing, or use 3DCG for a real 3D effect. Sometimes the backgrounds are fully animated by hand to achieve the same effect.
Disney also used zoom effects in their movies, but they were less convincing than the ones in anime.
Rarely, and if they do it's almost always unnoticeable.
?
What about it? Live action movies use that technique too.
This is a popular myth, but unfortunately for you it rarely happens outside of something like magical girl shows where there's transformation sequences.
Meanwhile at Disney:
youtube.com/watch?v=pbjVjZrrE3w
It's very, very rare for anime to use rotoscoping. Disney though used it many times (see above video).
What is this supposed to mean?
And what's your point even supposed to be? That anime uses techniques to speed up animation production and makes compromises? No shit. Disney did the same thing. Everyone does the same thing. To have animation with no compromises it would have to run at 24 FPS all the time (unless a desired effect requires a slower framerate), have the character design detail of anime, highly detailed two tone shading (or more), super high quality hand-drawn backgrounds, and no use of CG for anything that's possible with hand-drawn animation, and the runtime couldn't be limited by time and money, and so on.
And even after all you said, the fact remains that this is an American show:
youtube.com/watch?v=6JARVfb-FBg
And this anime:
youtube.com/watch?v=92cesUa9ORc#t=0m56s
It's unique in the worlds of animation, television and cinema.
Everyone has been rewriting the same stories since the 80s or whatever, but as usual it's ONLY anime that gets criticized for it. Americans can churn out all the police procedurals, forensic shows, legal and medical dramas and soap operas and sitcoms they want to and it's no problem. The current flood of superhero movies is also no problem. It's all very original, you see. Because America.
In actuality anime is extremely varied, likely even more varied than live action television.
Yeah whatever.