425 is just the mean. The median is only like ~40 acres!
While, farm consolidation is a growing concern (pun very much intended), the current reality is that large mega-farms are still the minority. Family owned farms still account for 89% of all agricultural product in the US. 47% of production is coming from farms grossing less than $1 million annually.
Sources: https://www.ers.usda.gov/data-products/ag-and-food-statistic... https://www.usfarmdata.com/percentage-of-small-medium-and-la...