The problem with that approach is that social networks are where people are getting educated. For large numbers of people, social media is their gateway to other sources of information, including news, opinion & their interests.
> That more or less already worked and everyone tries to reduce dependence on fossil fuel, so this isn't even a problem.
Given that there is still large scale climate change denial and opposition to renewable power, I don't think you can be confident in that statement. Until recently, one of the largest polluters & economic powers in the world had a government that actively promoted fossil fuels over renewables and denied the fundamentals of anthropomorphic climate change. Environmental awareness & harm reduction is far from a given.
> That more or less already worked and everyone tries to reduce dependence on fossil fuel, so this isn't even a problem.
Given that there is still large scale climate change denial and opposition to renewable power, I don't think you can be confident in that statement. Until recently, one of the largest polluters & economic powers in the world had a government that actively promoted fossil fuels over renewables and denied the fundamentals of anthropomorphic climate change. Environmental awareness & harm reduction is far from a given.