I very much think nobody can be bothered, not just the people in charge. We're all the same people and if there was an actual want by the regular person, the ones in charge in most of the world would be influenced enough to either want it too or have to do something
Olson's Theory of Collective action explains why this isn't true.
Concentrated interests can defeat popular movements. It fits the facts very neatly.
Romantic model of people being heard. 500M speaks more than a single vote. Its a shame. This already disproves your model - however, we should move towards it!
It's well known that everyone hated remote work and demanded they return to the office because they love sitting in traffic so much.
I, along with many other people, have fitted solar panels on my roof, installed a battery in my loft and replaced my gas boiler with a heat pump. Lots of people are bothered.