Not sure why writing systems couldn't be improved and simplified for the digital age. It would reduce software complexity and be more efficient and economical.
Presumably for the same reason why we're not "just" simplifying English, which is a horribly irregular language, particularly in its orthography. We could simplify English to have similar spelling and pronunciation rules as, say, German, Japanese, Italian, or countless other languages, instead of English's terrible mess. So why are we not just doing that?
Funnily, in the case of English, that would likely mean replacing the latin alphabet with a more complicated script. Because in contrast to e.g. German and Italian, that script really does not fit its phonetics very well. Hell, even Japanese romanization, "romaji", makes much better and more consistent use of the latin alphabet than English. Which is just all kinds of funny to me, English is so bad in that regard, that Japanese, a language which is very far away from English in multiple ways, can make so much better use of the to it foreign latin script. In fact, English is so extraordinarily bad in using the latin script, that the English-speaking world even has literal contests about how to spell pronounced words, called "spelling bees".
And yet I see no real efforts to simplify that gaining traction.
