[If they get a new mortgage, they still have to qualify the same way you and your wife did.]
LOL With the high LTV
No Doc "Liar Loans" that some originators were generating?
In the pre 2008 days -- As long as somebody was willing to lie and sign, they were entitled to a house.
When we moved in 2007, the realtor we were referred to worked with a loan broker to pre-"qualify" us for 3700+ sq ft $600k+ homes... on the basis of my wife's (significantly less than public skewal) Lutheran School teacher salary alone.
I laughed at him and told him we'd be looking at houses starting at 85k and working our way up until we found something livable.