In addition to what was mentioned already, read Door to Door, and use this famous constant (by an Italian!) as a counter argument if the function of the road/project is to solve traffic.

If you really want to feel out: Braess’s Paradox.

Provide out-of-box ease of use on everyday devices operated by low-skilled users.

I mean, Linux technically could, but the incentive to push for this is not nearly as high as the commercial incentives of providing this experience using Windows. So unfortunately it currently can’t.

Most Japanese people have dry earwax: http://drypharmacist.com/types-of-earwax.html

Obviously this is cleaned differently compared to wet earwax.

Us j, k, l (-10s, play/pause, +10s). Does not require player focus.

I don’t think you’re looking for a reader, but a podcast app. Something like AntennaPod should do the trick. I use Pocket Casts but don’t think it’s on F-droid. Remember, RSS is an infrastructure not a user experience.

Do people actually use the term ‘foreign spam for this’? Don’t they realise they’re foreigners themselves?

Relevant video on this: https://youtu.be/jN7mSXMruEo