Deals from a few days ago still for sale?

lljk shared some links said

I was checking the status of the knife I ordered a few days ago, clicked the link to the deal page, and saw that the buy button was still there. So I went clicking through other recent deals from before yesterday’s meh-rathon, and those pens and that grill are also still available for purchase.

I remember when us VMPs were the only ones who got to buy a past deal, and even then we only had until 6 AM the next day to do so. Is this a bug, a crazy new experiment, or was this announced a while back and I’m out of the loop?