In the end they didn't buy us and the aped everything they learned and launched a carbon copy product 18 months later. rages
... but...
one thing that caught me off guard during the process was that their teams had no idea about developer experience, didn't understand workflows outside their own domain, and didn't pretend to understand any of it.
Honestly the only card they really had to play was being aloof and condescending. Of course we were very deferential to them the entire time, because AWS.
This was one group within what is a massive organization, so YMMV, but if they come knocking my suggestion is to be aloof, kind of a jerk, and don't share anything that isn't on your www. My guess is that would really be what gets their juices flowing.