I'm not going to reply to this, because you clearly have no first hand experience with Varnish and merely parrot what negative opinions you have been able to search out, in order to smear me, for reasons you don't disclose.
With 100GB/s and very small HTTP requests you are clearly in a different group than 99.9999% of the rest and most likely also have the resources to write your own special case http cache or you could hire phk@ as a consultant.