These things are not mutually exclusive:
You can make a great technical product while being friendly. You can make a great technical product while not being friendly.
You can make a compromised or flawed technical product while being friendly. You can make a compromised or flawed technical product while being unfriendly.
This comes up pretty often in other HN threads, unrelated to Graphene. There's this weird personality type who insists that they aren't legally obligated to be friendly or nice or pleasant, therefore it's fine for them to be unfriendly or jerks or unpleasant.