Bahahaha! A quarter pound+ of weight loss? Really? That's rich and a great anecdote!
Hmmm the asterisk on a 1/4 pound fast food burger claiming "before cooking" comes to mind...I know beans lose mass in roasting as water and volatile oils cook off but geez it makes you wonder that they'd base the weight sold on the preroast weight. Beans do offgas following roasting but man, a qtr pounder's worth? I suppose one could run a calculation of the volume of CO2 gas that 4 1/2 oz of bean mass represents to refute that, but I think I'll just say bologna on wonder bread with miracle whip.
I have to say that these kinds of posts always lead me to learn a bit more. Here's a tight little link on
Coffee Freshness