That happened back in about 2011 when a man and his family dismantled his Jeep after many issues that been unresolved over four or five years. It was after that, not really because of it, that consumer laws were strengthened whereby retailers and or manufacturers had to refund the purchase cost of the item if it was not fit for purpose.
Most major manufacturers will accommodate people who have purchased a dud product. it is not in their commercial interest to have multiple legal actions taken in courts and tribunals. It is not about having "big lawyers", whatever that means. If you have the evidence you will be successful. Courts and tribunals make the rulings, not the lawyers. All the lawyer does is make submissions on the evidence put forward, the court or tribunal adjudicates on that, not on someone's opinion.