Yikes, if this poor person can’t handle her issues with addition via the powerful Crystal Blue Math Jesse and Walter are making in their lab, I fear what will happen when she is offered some uncut Game Theory or Geometry.
However, given all the layoffs in publishing, this typo will be happening more often as news organizations cut budgets to make the hedge funds richer. To them, fact checking and proofreading aren’t important and there’s the evidence above!