Hard to see Apple changing this, since the Mac has been using the Command key for shortcuts since 1984. You could even argue that the "standard" you mention of using the Control key actually came along after the Mac!
"The person most widely credited with Copy and Paste, Larry Tesler, did work for Apple starting in 1980. However, he created the command while working for Xerox Palo Alto Research Center at some point between 1973-1976 "
Further to other comments, looking here it seems that C, X, V for Copy, Cut, Paste were first used by Apple in the Lisa in 1983 and then later adopted by Microsoft for Windows:
"The IBM Common User Access (CUA) standard also uses combinations of the Insert, Del, Shift and Control keys. Early versions of Windows used the IBM standard. Microsoft later also adopted the Apple key combinations with the introduction of Windows, using the control key as modifier key. For users migrating to Windows from MS-DOS this was a big change as MS-DOS users used the "copy" and "move" commands."
‘In Gypsy, the user could select the source text, press the "Copy" function key, select the destination text or insertion point, and press the "Paste" function key.’
Before the Mac, all the computers I remember used function keys or their own various commands. Even after, IBM published “Common User Access” using ctrl-insert and shift-insert. Apple, as far as I know, introduced the familiar ZXCV shortcuts.
