That's definitely a lot/most of it, particularly with offal, but plenty of countries have gone from poor to rich and kept eating blood sausages and sweet breads

That's definitely a lot/most of it, particularly with offal, but plenty of countries have gone from poor to rich and kept eating blood sausages and sweet breads and it doesn't explain like why lamb or goat is a specialty meat. Rabbit exists in a weird liminal not quite game not quite specialty.