4 big companies own most of the lettuce the United States eats. They buy up all the small companies, creating a lettuce oligarchy. They campaign and contribute money to the powers that be and get more relaxed rules about safety and sanitation.
The committees that maintained and enforced these guidelines were, as you mentioned, effected by the Department of Government Efficiency.
A lot of these farm workers are paid by the piece, and don't always have nearby access to clean facilities. They end up rockin' out dunkers in a nearby ditch, instead of taking time out of their already small paycheck to hit the porta potty.