I don't think you can really say this. They throw a lot of stuff against the wall that is original, and some of it does stick. The Galaxy Note was ridiculed by everybody but turned out to be a hit. The large size and stylus turn out to be a big selling features to people you wouldn't expect (eg: small women seem to love galaxy notes - because they were never able to fit a phone in their pocket in the first place, and many are used to carrying around a paper diary that is almost the same size anyway). They certainly copy a lot of stuff from Apple (and others) where they think that's the right path, but it's unfair to say they add nothing new.
> I'm an Apple shareholder, and I am not worried about Samsung
I'd go so far as to say that your kind of viewpoint might well be dominant inside Apple itself, and the "blind spot" it creates might be a major reason why Apple has struggled to compete against Samsung.