Expecting a billion people to individually do their research and make the correct decision for the greater good is not a very effective way to address collectiv

Expecting a billion people to individually do their research and make the correct decision for the greater good is not a very effective way to address collective action problems. When the market isn't pricing in externalities correctly governments should step in to correct the situation. In the case of EVs they have. Western governments are spending piles of money to support EV adoption. Those subsidies help, but there are still significant drawbacks with the vehicles that make them a tough sell for many people.