<human>: Can you summarize the given text in a few sentences?

We had some older relatives to stay recently, for quite a long time. One in particular, refused to eat anything he didn't normally eat. He didn't have allergies or dietary requirements, he just didn't want to eat outside his comfort zone. He claimed to like 'corned beef', so my girlfriend got a bit of silverside and corned it - he refused to eat that. When he said he liked 'corned beef' he really meant he liked tin spam... 

Personally, I consider this quite rude. If someone has gone to the effort to make you something, I think you should at least try it. Obviously, if you're allergic, that's fair enough, but simply saying 'I don't want that' seems rude. I'd even go as far as saying dismissing something you don't like is rude (perhaps that's simply because I'm an adventurous eater).
<bot>: Do you consider fussy eaters rude? Or are you a fussy eater yourself, who refuses to eat certain things?