This is something overlooked in schools and colleges. Logic has a structure that needs to be taught. Also, there are many logical fallacies that people should be aware of. I see logical fallacies being used very frequently in reporting and opinion pieces---and I feel that the people using them are totally unaware that they are using them. Wikipedia has a good list---I bet that even in a quick scan of the list will reveal several that you have seen or heard recently: https://en.wikipedia.org/wiki/List_of_fallacies