A month? If every CDL - Class A driver stayed home for just one day our food supply system would collapse! We would lose millions of pounds of frozen and temp controlled food. One day off the road would be a disaster!
The refer guys would do the quickest damage. Then the gas stations would run dry in 3 to 7 days along groceries store shelves clearing out. Throw in the Claas B drivers and Amazon shuts down that day. That would hurt the most sarc/