If you aren’t already aware, Dodd-Frank changed a lot of rules around mortgages when it went into effect in July 2010. The purpose was to stop predatory lending practices that led to sub-prime mortgages fueling toxic mortgage-backed securities. Stated income loans were mentioned alongside mortgage-backed securities. That caused a lot of confusion.
The idea of simply stating your income and being taken at your word was an honor system that wasn’t exactly honored across the board. It’s understandable why these loans weren’t meant for the average consumer. But there’s a reason stated income loans existed in the first place.