On Linux, Control-C and Control-V don't work for copying and pasting in terminals. The Control modifier is used for its original purpose of inserting control codes. Instead, terminal apps require an extra Shift modifier, like Control+Shift+C.
But what if there were hidden shortcut combos for copy and paste
I feel like you may have misunderstood the article. It’s talking about how support is increasing for dedicated Copy keys, and that programmable keyboards make it easy to use dedicated Copy keys. The article does not mention changing the behaviour of Ctrl-C.
What else does this say?