It would be a mistake to overstate the similarities between the Brexit vote and Trump's win - but there are common themes, not least in the rallying cries that the winning campaigns used. They focused on a supposed economic threat posed by outsiders, as immigrants or as trade partners. This fuelling of anxieties underpinned a narrative centered on the need to "regain control," whether of borders or of economic forces.
It's up to the artist to use language that can be understood, not hide it in some private code. Most of these jokers don't even want to use language you and I know or can learn. . . they would rather sneer at us and be smug, because we 'fail' to see what they are driving at. If indeed they are driving at anything--obscurity is usually the refuge of incompetence.