In its statement, the DOJ argued that because of Deere’s practices, when tractors break, “repair markets function poorly, agriculture suffers. Crops waste. Land lies fallow.” It expressed concern that “repair restrictions can drive independent repair shops out of business by raising their costs or denying them key inputs, which, in turn, leaves consumers with fewer choices.”
https://www.vice.com/en/article/n7zayb/doj-john-deere-right-to-repair-lawsuit