The main theme of the news and analyses on this site is that the modern lawn-care practices should, can, and inevitably will shift away from today's hyper-polluting, obsolescent, dangerous and dirty gas-powered equipment. Better alternatives are at hand, and are appearing in improved versions continually.
Another perspective is to reconsider current highly mechanized landscaping practices more fundamentally. Questions of this sort lead some householders to rely on rakes rather than machinery, and lead others to wonder about the modern American assumption that houses should be surrounded with manicured lawns.
The valuable Noise and the City blog has featured a Freakonomics broadcast from 2017 that asks directly, "How Stupid is Our Obsession With Lawns?" It's fascinating and worth listening to. An embedded player is below.