I promise... it's just enthusiasm!

even the linux-from-scratch snobs are usually pretty decent (really it's only when it's their first time out of the server room in too-long a time). I usually try to switch it up to something like "have you tried playing The Battle for Wesnoth. (it's a turn based fantasy strategy game that's... uhm. surprisingly good.)

I've been on both sides I still tell people and inquire about it when I spot it in the wild.