According to Bloomberg, these rates “are for borrowers with excellent credit who put 20 percent down” — but even so, 4.375% is I think unprecedented in living memory.
This is a great deal. I think it is below our likely inflation rate going forward. The only down side is that it is only a great deal if you keep your job. And if you a pretty sure you can keep your job and you have the money to put 20% down, you are not one of the ones who are hurting right now.