[photochemsyn]

Not really, it's more of a 'construct-a-box-to-have-an-argument-in' approach. E.g. one could go off laterally in many directions. We could say, 'easy immigration policy is a neoliberal plot to drive down wages in the USA to ensure that current wealth inequality is maintained' or we could say 'immigration is wonderful because it brings in highly skilled people with unique talents and perspectives that are of great benefit to the US economy', and so on. It's a complex topic with a lot of historical context and there are at least half a dozen ways to analyze it from a cause-and-effect perspective - just the kind of discussion that social media can't handle well.

The reversibility trick is kind of cute - but can anyone write a legitimate Python code statement that also works in reverse? I sort of doubt it, the function declaration has to come first.