Some reforms last longer than others

If it had any chance to succeed it would have been with the needs of the internet. It did not succeed. None of the wikipedia entries discuss why it didn’t catch on. I think the simplest answer is that it didn’t offer anything new or better, just a different nomenclature, and would still have to be converted for most local things that used standard time keeping. So outside of a fad and marketing gimmick it had no value.