Elon Musk began and ended his town hall in Green Bay, Wisconsin, on Sunday by urging attendees to back conservative Brad Schimel in the state’s high-stakes Supreme Court election Tuesday.

But the bulk of Musk’s nearly two-hour event was ultimately focused not on the off-year election that he has poured millions of dollars into — which he said could “affect the entire destiny of humanity” — but rather the work of his Department of Government Efficiency, as he outlined its purpose and…