Impossible with my reel mower. Nearly impossible with my buddies electric mower. I think a good gas mower will get through it ok.
Irresponsible looking if you share 20ft of grass with a neighbour.
Meh. They could stop over-tending their yard.
The perfect lawn is a relatively new thing - blame Scott lawn and other lawn-care companies.
I agree on the class-ist vibes of a perfect lawn, it seems ugly and pointless. If you're going to put in the work, why not a beautiful native plants garden?