What's the car company revenue in the modern west vs India and other developing nations? I'm sure the developing world will still want ICE vehicles, but is that really where the money is?
Petroleum fuels are easy to store and transport in low infrastructure environments. Many areas don't have strong electric grids, they don't have 24hr electricity, and even if they do it's not reliable. They rely on inexpensive two and three wheeled vehicles extensively, much more than developed nations.
Mobility is needed for them to feed themselves and progress. It isn't a "nice-to-have", it's a necessity for life. This isn't going to change anytime soon.