Some people think we should use these words whenever we want to. Some people are very unhappy when they see these words. Some people won't let their children use the Simple English Wikipedia if they see these words here. Some computer software will stop people from seeing articles with "bad words".
How do we want to do this?
I don't really understand the paragraph about the Anglo-Saxon words at all and found it confusing after rereading it a few times. What is the point of mentioning this in an article which should be describing what slang is?