NBA star Joel Embiid says he doesn't understand why everyone is making such a big deal about the celeb nude hacking scandal -- saying, "I mean we've all seen a woman's body."

The Philadelphia 76ers rookie just tweeted moments ago saying he finally got around to checking out all of the naked photos that were hacked from various celebrities ... and doesn't get the big hoopla.

"Why is everyone always acting crazy when pics are leaked???" Embiid tweeted ... "I mean we've all seen a woman's body."

We get Embiid's point -- that people are too hung up on nudity -- but people are "acting crazy" because their private photos were stolen and made public ... and that sucks.

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