I am, or at least I think they should be used sparingly. They destroy the planet. And on a personal scale, over-reliance upon them encourages lack of exercise

I am, or at least I think they should be used sparingly. They destroy the planet. And on a personal scale, over-reliance upon them encourages lack of exercise and a needlessly stressful life spent in traffic. I reckon we could make a big dent in pollution and obesity rates by having most people reduce their car usage.