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ackfoobar

Many aspects to the word "efficiency".

Space efficiency - how wide it takes to reach a certain throughput - train wins

Time efficiency - how much time it takes to get from point A to point B - barring traffic, car wins

Energy efficiency - how much energy it takes - bike wins

Your argument is just as strong without the subjective ranking of efficiency.

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Majority of my time commuting the bike wins every time, mostly because I'm commuting at the same time as everyone else.

Good for you. Doesn't describe everyone else.

Not an option any more when you need to start dropping kids off at school first - not to mention the weather and safety.

There are tons of options for carrying kids on a bike. Made even easier when you add electric assist.

I can imagine parents not wanting to take the risk of being outside two-tonne metal boxes on the road with their children. Infrastructure matters a lot.

I drop my kids off at school on the way. They bike too. Started with a trail-a-bike, and now they are their own bikes and I bike with them to school on my way.

I bet you live in a different climate than me. ...and your kids are likely older. These factors matter dramatically.

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