Mock, to tease or laugh at in a scornful or contemptuous manner.
synonyms: ridicule, jeer at, sneer at, deride, scorn, make fun of, laugh at, scoff at, tease, taunt;
I say he was mocking,
Sarah says...just stating facts.....To bad he couldn't state facts (according to him) without the attitude.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic