Yes and no. We can decide to use other means but that doesn't change their power to lobby our government and create pressure on food and medicine and military.

They aren't just fuel. They own a magnitude of companies and the means of productivity. They are our infrastructure.

Our GDP is tourism agriculture and probably building of some sort.

All require a heavy dose of Fossil fuels. Fertilizer fuel and building supplies.

Cats are a very small part of it.