Look at both prior responses. Motor homes by their nature are expensive and could exclude protected class applicants because of income and credit, at a substantially higher rate than [being blunt] white applicants. The 725 is high.
Besides documenting the reason for the high credit score, I would identify why the bank wants to get into this specialized market. Prepare the analysis to answer the question of what would prevent an attorney from criticizing the bank for coming up with loan products like yours solely because they do not want to lend to minorities.
Integrity. With it, nothing else matters. Without it, nothing else matters.