Precious little of the data stored in the world is textual content. It's hard to believe that choice of encoding standards materially impacts RAM or disk budget

Precious little of the data stored in the world is textual content. It's hard to believe that choice of encoding standards materially impacts RAM or disk budgets. Most of his points are not related to encoding size but to simplicity and standardization. I find those reasons to be very compelling. I'm asking for clear counterarguments because I concede that my ASCII background could predispose me to UTF-8. Please be a little clearer, I really do want to know.