Until both are available in consumers hands, it's pointless arguing which is the best.

The GameCube controller looked like the spawn of Satan but it melted into your hands like warm delicious butter.

Also it's personal preference when it comes to controllers so this bickering is pointless.

Of course when greater masses try something out there will be more people negative about it, that is simply how things work. When you have a sample size of 1,000 try something, you may only have a few people that don' like it (and I'm sure there was the occasional person that didn't like the controller from E3) but when you up the sample size to 100,000 the amount of people that don't like it will grow significantly even though the percentage of people that didn't like it probably stayed close to the same.

Ethomaz, at this point in time it's pretty clear that the majority thinks the X1 controller is better than the 360 controller. Sure there are people that don't like it, and even more that basically said it just takes getting used to. But to jump to the conclusion that the X1 controller  is changing "what made 360's controller good" based off of a few people, and ignoring all the positive remarks about it is a pretty big leap to say the least.

Another article (like I said after GamesCom no site is saying the Xbox One controller is better... weird).

Opinion: Why the PS4 controller is better than the Xbox One controller

"I think the really interesting aspects of these two comes from the comparison. If you just used one or the other, you will be completely satisfied, but when you pick up the Xbox One controller, quickly followed by the Dual Shock 4, it’s immediately noticeable how good the DS4 feels in your hands."

Note. The guy thinks the "the 360′s controller is one of the best controllers of all time" and the Xbone's controller "the first thing I noticed about the Xbox One controller is how sharp it is. It’s almost as if they were trying to copy the styling of the square Xbox One. Which doesn’t make sense for a controller unless you’re Nintendo. It seems narrower. The handles are thinner and for me, this means I’m getting less of a complete grip on the thing, and more of a lighter hold". For him the best controller will be the exactaly 360's controller + Xbone's D-pad.

To me, it seems that MS has taken away a few things that Xbox gamers were boasting about the 360 controller. They liked that it was larger than the DS3, claiming it felt better in larger hands. MS has made the new controller for smaller hands this time around. They liked that there was more resistance in the thumbsticks when compared to the DS3. According to MS, they have lowered the resistance in the analog sticks by 25%.

Sony, on the other hand, seems to have improved every aspect of the DS controller, even fixing things Xbox gamers didn't like about the DS. Fortunately, they have kept the analog sticks symmetrical. As the article states, it seems "like it was designed specifically to appeal to gamers looking to make the jump from the land of Xbox to using the PlayStation 4 as their primary console."

The majority of these complaints are from people having 10 minutes of gameplay with the controller. That's no timeframe to make a good judgement. Especially since a lot of the complaints are regarding the new designs of the Xbox One's thumbsticks and triggers/bumpers.

From the complaints it is 100% apparent that they are simply going through an adaptation period. The Xbox One's controller has been so refined that it is much more precise and built for long periods of gameplay. People that are used to the 360 controller will initially have a bit of adjustment, but as many articles have stated, after they went back and tried the Xbox One controller again, they began to notice all the benefits of the changes and no longer noticed anything to complain about.

The real issue here is...if you have a 'perfect' controller (which the Xbox 360 was one flaw away from accomplishing), why would you change it?  yeah, complainers will complain, and I don't believe in the 'don't fix what isn't broken' mentality since improvements and evolitions can and will occur, but why change it in the first place? 

A lot of the reports I'm seeing complain about it being angular and uncomfortable.  Not enough room for the fingers to rest on its backside.