I would just say, to make it tangible, you have a 30% rule for your mortgage. It's a rule of thumb that seems sensible, and it's applied and used as a calculus for how to consider a person's situation and how viable it is. There's a similarity to this rule-of-thumb approach that everyone has agreed to, and it's very important that everyone has agreed.
On June 17th, 2024. See this statement in context.