The advantage of moving to one standard, plus the backwards compatibility for most of the internet will outweigh any small size advantage that UTF-16 will have on real file sizes for some countries / cultures.
A saving of ⅓ on a text file will barely be noticed in a world seemingly governed by Moore's law in nearly every future metric.
(also my bad for using UTF-16 where I meant 16-bit unicode character arrays :))
The advantage of moving to one standard, plus the backwards compatibility for most of the internet will outweigh any small size advantage that UTF-16 will have on real file sizes for some countries / cultures.
A saving of ⅓ on a text file will barely be noticed in a world seemingly governed by Moore's law in nearly every future metric.
(also my bad for using UTF-16 where I meant 16-bit unicode character arrays :))