huh? we have fines and taxes that regularly force people out of their homes. In fact, non-payment of fines is a valid reason to have your home seized and forcibly sold to pay for the fine. It's why American fines can be very unfair, they are fixed, rather than scaled to impose a burden but not shatter a person.
No one sitting on millions in paid off assets would have any trouble paying a 50,000 dollar fine. But most farmers aren't sitting on paid off assets beyond the land (which is also difficult to sell in small batches, as people want to buy large contiguous land for farms, go try to sell a 7-9 acre plot in the bread basket to pay for a fine like this). Farmers usually have very large debts for all the heavy machinery required to farm (like any capital intensive business) and as they also run large debts to handle all the perishables required. Depending on when in planting season you find yourself, a farmer has a very variable net worth.
But some farmers are just rich, even if you don't "see" it. For example, I knew one who happened to have a family farm in what ended up becoming a major metro area (due to urban sprawl). He very smartly rezoned his agricultural property to residential before rules shifted to make that difficult, and now has a "farm" that sits on 150 acres of residential land. That land, in that area, is worth into the 10s of millions. He specifically is keeping it as a large scale asset that can be sold after his death and passed on to his heirs. But if he did something that required a 50,000 dollar fine, it would be trivial for him to pay it off, as anyone would extend him credit against the assets he is sitting on and he is in no real risk of ever losing that asset.