They probably didn't miss anything, you did. You are judging two people's (two very initiated people at that) knowledge based on one (semi-censured) email conve

They probably didn't miss anything, you did. You are judging two people's (two very initiated people at that) knowledge based on one (semi-censured) email conversation. There are several more likely scenarios, such as: a) no need to mention either VBRO nor couchsurfing since they were both well aware of them. b) it was mentioned but in another context. c) it was redacted. d) there was no point mentioning it since AirBNB would've said it in their pitch.