I hate to break it to you, but saying your favorite language is Scheme would get A LOT of interviewers to laugh, especially in the enterprise world where Java and C# are dominant. These aren't usually Hacker News browsing people, and if they have any association with Lisp, it's through a college course, rarely independent interest.
Are you sure he didn't just walk out because he had other things to do and knew the others could take over?
Are you sure he didn't just walk out because he had other things to do and knew the others could take over?