Setting aside whether or not jet fuel actually could take down a building on its own, "jet fuel can't melt steel beams" is the line that is repeated over and over by people who want to paint all 9/11 investigation as crazy conspiracy theory. If you mention jet fuel, normies are instantly going to tune you out. If you want to actually get through to them, there are plenty of other convincing angles you can use without bringing up jet fuel.
Setting aside whether or not jet fuel actually could take down a building on its own, "jet fuel can't melt steel beams" is the line that is repeated over and over by people who want to paint all 9/11 investigation as crazy conspiracy theory. If you mention jet fuel, normies are instantly going to tune you out. If you want to actually get through to them, there are plenty of other convincing angles you can use without bringing up jet fuel.