Louisiana doesn’t suffer from the plague of locusts realignment theory, but from a plague of pessimism that poses a challenge its Republican majority must address.
Looking back at a midterm election that broke decades-old reliable modelling of partisan outcomes, one hypothesis to explain focuses on the Wuhan coronavirus pandemic’s tendency to have some individuals, argued disproportionately likely to vote for Democrats, move from areas with surplus Democrats to those with a relative paucity, in order to escape restrictions typically imposed more heavily in states run by Democrats.
A corollary to this not so event-specific is that policies, such as higher taxation and more wasteful spending and transfer payments, in Democrat-run states increasingly burden individuals, particularly those producing more economic benefits for society, so to escape these some people – including especially those who ironically backed politicians that delivered those very policies they now seek to avoid the consequences of – move to places without such policies. More bluntly, that subset are locusts who degraded their former environment now taking wing to more pristine ones to do the same if they can help it. After all, they and their families always can move on while the less advantaged stuck there have to suffer their damage.