Brains will, and sometimes they're right: blackberry bushes/brambles are fiercer than raspberries, and the flavor is intense. Mulberry trees are not at all ferocious, and the berries are pleasant but not intense. I tried dried mulberries once, because I thought I would like them, and found them not worth eating.

Raspberries are both intensely flavored and somewhat protected by thorns, but the way I used to protect myself from being hurt by the thorns doesn't really work on blackberry bushes.