I'm of the belief that Adam could get literally any being/monster in existence to like him.
Whether it be because of his general aura of Adamness or because of The Archangel Michael standing ominously behind him monitoring the entire interaction while simultaneously threating the wrath of holyfire against whoever Adam is talking to, so the creature more or less has to make the decision of:
Do you ever stare into space and think about how there's more malice in his voice when he says "while your own brother sat in hell" than when he says "and then you helped send me to hell" cause I sure do
Dean: Maybe you went too far.
Cas: Maybe.
Dean: I mean, he's been in lockdown for quite a while, you know? Maybe you just, uh, went too fast. What's he doing now?
Cas: No idea. He was very distraught.
Dean Yeah, but what exactly did he say?
Cas: "Leave. Get out. I want you dead". We didn't bond.