Yes, we won't. It turns out that we're way too terrible at being rational way too much of the time.
For DST in particular: Even discussions where the participants manage to form something resembling a quorum to stop changing the clocks twice every year somehow manage to unilaterally get sucked into a seemingly-inescapable quagmire of differing opinions, wherein: The decision of whether to use standard time and stick with it or to stick with DST instead becomes an intractable impasse.
Accordingly, nothing ever gets done.
I have every expectation that I will be dead and buried before this issue is resolved.