Pornography, excluding child pornography, is defensible without regard to the means. There is no difference between a computer-generated picture of a naked person posing with the intent to excite and one that actually involves real people. There are, however, major objections to child pornography, computer generated or not. Any sex act, picture, or piece of literature involving children is morally wrong.
There are many arguments for and against pornography. A person could argue that pornography is morally right and should not be censored.
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