I'm not sure how you know where all the posts are coming from given that most don't put a location in their profile? Given that you seem to like stereotypical sweeping generalisations I suspect you take the posts from UK people at face value rather than understanding the implied sarcasm, something that people in US people don't understand.
The sound systems are ok but the Nav is poor and hugely expensive too. Lexus are still stuck in the past when you can charge £2k for a nav system in a car. These days everybody's smartphone can to a better job. Just give up, provide a screen and let Apple what they are good at.