It’s ok, you just got him confused with John Adams, his cousin, who was the second president (and his son John Quincy Adams the 6th president.)

He laughed.

Link to the artist’s page who does these illustrations

No one’s saying in the setting you’re playing in goblins can’t be evil as a default. Having it be a blanket truth for all settings is a bit constraining though. Goblins specifically in the DND world probably shouldn’t all be evil alignment because their history is… Complicated

Pointy hat has a good video on it