[X] Argument to support having the Eldar pass on future advances- Quickest technology transfer, near certain chance of being noticed. :"We benefit from increased cooperation more than chaos does. Furthermore, Chaos already is going to have a large number of targets other than us and thus the increased cooperation on their part has a high chance of changing nothing for us anyway.
[X] Argument against the above: This first meeting provides the greatest gain we are going to get from technology sharing. Further gains will be lesser, and most likely not worth the increased threat from chaos.