Essential doesn't imply "Not replaceable". With 22 million out of work, it's easily to replace an "essential" meat packer. It's far harder to replace an engine

Essential doesn't imply "Not replaceable". With 22 million out of work, it's easily to replace an "essential" meat packer. It's far harder to replace an engineer or doctor even if they aren't essential That's why white collar workers make so much money in the first place...