If by utilised you mean effectively stored and distributed when required, then yes I agree but most countries are a long way from that.
I think you’ve taken a couple of anomalies for the last part and generalised across all countries.
The countries that are close to 100% renewables have unique circumstances that enable them to.
For example, Iceland has a small concentrated population with easy access to geothermal energy.
Paraguay generates a lot of its electricity from hydroelectric dams as it has suitable rivers to be able to build them on. Even so, its citizens often burn firewood for heat.