A friend asked me about the survey and my first thought was that while Japanese spend a lot of time commuting, they don't tend to spend the time commuting by car. Since they're not driving, they have no reason to restrict themselves to audio-only material and so why listen to a podcast when you can watch YouTube scroll Twitter, scan Instagram, read manga or, if all else fails, browse the web.
A friend asked me about the survey and my first thought was that while Japanese spend a lot of time commuting, they don't tend to spend the time commuting by car. Since they're not driving, they have no reason to restrict themselves to audio-only material and so why listen to a podcast when you can watch YouTube scroll Twitter, scan Instagram, read manga or, if all else fails, browse the web.