Did you notice...

That beside Chess 960, all chess variants are much easier than classical chess?

Nope, haven't noticed such a tendency yet ...

Not for me, but it might be a matter of practice.

960 It's more fun, then easier.

No serious scientific study says 960 easier than the classic . In classical chess just memorizing openings, but 960 is pure creativity .

I see no difference between 960 and classical simply because memorization requires you to act based on each piece not the actual position so in essence it's the same thing just rearranged in the back to show you that prearrangement and memorization is real like Fischer had said. Thinking 960 is more creative than the classic would be undermining it completely it's practically apples to oranges or best yet said the player is the one who makes creative moves not the game itself.

@anoneal - i think richard reti said it best. in the opening forward of the art of chess combination by znosko-borovsky, fred reinfeld writes, "it was richard reti who pointed out that the enjoyment we get from these combinations 'lies in the feeling that a human mind is behind the game dominating the inanimate pieces with which the game is carried on and giving them breadth of life.'"

indeed

"The human mind is behind the game dominating the inanimate pieces with which the game is carried on and giving them breadth of life" --Reti

True, but 960 still requires more creativity than standard chess.