ACII is a standard, but it's also standard. To a really high degree. 99% of webpages are UTF-8.
You could make a similar argument about, say, H.264, but the dominance is not as compelling and drops massively if you account for different container formats.
How is ASCII not a standard?
And writing system don't fall out of nowhere, especially something as baroque as English which is all but phonetic.
ACII is a standard, but it's also standard. To a really high degree. 99% of webpages are UTF-8.
You could make a similar argument about, say, H.264, but the dominance is not as compelling and drops massively if you account for different container formats.