What's what I'd said someone would say. 'replace much'. And I think 'much' would turn out to be a pretty poor standard compared to what you can do with a car. The logistical organisation involved in achieving what you could do would be a huge time and money sink - which is what people who give up cars often say was the benefit in the first place!

You wouldn't get to join your friends hiking in Zion is what would happen in reality.