Nobody is advocating for any silver bullet here. I think there needs to be an energy mix from different sources. Nuclear and renewables complement each other. It's also worth noting that China is already experimenting with thorium reactors that use molten salt for coolant and don't need water.

https://www.nextbigfuture.com/2023/06/china-thorium-molten-salt-experimental-reactor-is-licensed-for-operation.html