I had missed Stinky's post asking for recent experiences. Before the policy change, we had an airborne reaction--bloodshot eyes, wheezing, within 15 min of the packages being opened and it was less than a two hour flight. We are next to a hub so we paid dearly to fly the peanut-free airlines. About $100/each. However, just not an option to repeat that experience again. And the buffer would not be feasible for us. I sent a few emails through their website and posted a bunch elsewhere on the experience.
*However* with the policy change, we tried again. Great--GREAT--experience. Everyone from the gate attendants to the flight stewards were understanding. Almost every flight had a flight attendant who double checked that it was our party with the peanut allergy. We assured them that while the rest of us would enjoy the Biscoff cookies, DS would enjoy his treat that he's tried from home. One flight attendant was absolutely amazing. She checked on us, she expressed concern. She verified that we carried an Epi.
With flights packed, challenging passengers--flight attendants really have a full plate. And their response was really, really wonderful.