Really, I could have sworn he did. Oh well. There might be another thing wrong with him though. When I talk to him after my encounter with Silke, no matter what I say he joins the party. I thought it might have been a BG1 NPC thing, but I was told that particular screen wasn't changed. So I'm guessing it's a Tutu thing.
IIRC correctly, Garrick used to approach the party when you came up to him in Beregost. He doesn't do this anymore. Minor yes, but it makes the whole Silke encounter kind of easy to miss out on if someone doesn't know he's there.