A rightwing adaptation of A Modest Proposal for the Trump era might replace the Irish babies with illegal immigrants (think Alligator Alcatraz meets Soylent Green). The one snag might be that it would have to be Certified Fetus-Free, to placate the pro-life crowd.
I regularly take a busy road with a two-lane roundabout marked this way and you can be sure that people will ignore these lane markers. I’m honestly surprised I haven’t seen a fender bender there before.