According to [1], non-fuel use of petroleum is 16%. Of those 16%, I'd guess most uses have an alternative, even if less convenient. Most of the things you liste

According to [1], non-fuel use of petroleum is 16%. Of those 16%, I'd guess most uses have an alternative, even if less convenient. Most of the things you listed don't specifically require oil, just hydrocarbons transformed in series of steps. Oil is a strategic resource for energy and not much else important. There is short term manufacturing dependence, but most countries should have sufficient reserve capacity, currently for fuel use. https://www.globalpetrolprices.com/articles/39/ https://www.globalpetrolprices.com/articles/39/