Actually, you have it very much back to front. In the case of EF we were encouraged to impart cultural lessons.. Something I disagree with. My job is not to teach my students about British culture, it is to teach them to speak English

Spot on there. I think he finds it easier to teach the culture instead of the language. But I think you'll agree with Sludge that from time to time you can use Mr Bean and The BBC as vehicles for learning how-to-speak-English.