It's rude, and quite frankly UN-Australian to make inappropriate offers to people trying to sell something. So I don't have an issue with the topic of discussion and do see the issue - why, because I should not have to mark it spam or have to deal with stupidity.
I like meat pies, a good slab of cow on the barbie, and the saying which I think is completely appropriate for anyone in someone else's backyard...when in rome, do as romans do.
Just my 2 bob