[duckqlz]

Actually it was shipped. “Microsoft disabled the AARD code for the final release of Windows 3.1, but did not remove it, so that it could have become reactivated later by the change of a single byte in an installed system.” [1]

[1] Schulman, Andrew; Brown, Ralf D.; Maxey, David; Michels, Raymond J.; Kyle, Jim (1994) [November 1993]. Undocumented DOS: A programmer's guide to reserved MS-DOS functions and data structures - expanded to include MS-DOS 6, Novell DOS and Windows 3.1 (2 ed.). Addison Wesley. ISBN 0-201-63287-X.

[gavaw]

Is it shipped if it cannot execute under any conditions? Philosophical question I'm afraid.

[codnee]

The code? Yes

The feature? No

[zorked]

The company that makes GTA was sued for content that was not accessible in the game.

[jen20]

> could have become reactivated later by the change of a single byte in an installed system.

Is that not a condition under which it could be executed?