If the food topic was in reference to everyone present then perhaps it wouldn't raise your eyebrows. Maybe it's a glandular thing? I work around food, so food talk isn't about anything near what I'm reading you write about.
When my late stepdad was just a family friend, the first time I met him I made a comment I'll never forget that ooohh he must have eaten a lot of cookies. But I was 5! And it wasn't subtle on my part.
It's up there with asking skinny people don't you ever eat?

Maybe if around these people again ask if they can change the topic, you don't want to hear talk about food unless they are talking about their 5 star meal from last night.
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