If in 1963 you tried to explain the internet or a current gen console, or even earlier, most people would have no frame of reference of what you were talking about.
Then tell them there will be over 500 stations on the television that is now shaped like a movie theater screen.
Thankfully however, these games now are being archived digitally as in 50 years from now, most of the cart based games will inevitably corrode regardless of how much care is taken care of them and I don't think optical drives will be around in 10 years, much less 50.