Granted I skimmed through it, but I could see no mention in that summary of organically maintained lawns. It does mention the English roots, but those were maintained by gardeners for upper class estates.
Lawns are historically grazed fields. That's organically maintained I guess, but no one has a lawn like that today, not even in England.
A lawn is very different to a grazed field.
Here in the UK, in an average garden, you'll have no issues you want to keep a lawn - simply mow once a month at most, and maybe water in the middle of summer. Really isn't hard to look after here - my parents even leave the cuttings where they fall as the worms will pull them into the soil pretty fast if you let them.
Not really true. Depending on rabbit population, or if you have a goat, you can fairly straightforwardly maintain a lawn without mowing. You have to be happy with random rabbit carcasses / holes though. It does take some care (in regards to what you do with fertilizer) if you don't want weeds, but if you keep the land very barren, the only 'weeds' you'll get are wild flowers.
Obviously this all depends on drainage/soil type.
Unfortunately in recent years global warming has made summers longer, hotter and drier and the natural temperate "lawn zone" is moving northwards. England will more and more see "hosepipe bans" against using clean water in gardens.
People choosing lawns in dry, unnatural areas of America are doing so to replicate some European ideal. People mandating lawns are doing so to mandate the Europeanness of their neighbours.
(A good summary: https://blogs.scientificamerican.com/anthropology-in-practic... )