buddy, thats a doughnut. doughnuts are obviously nuts, its in the name. and nuts are all fruits.

meanwhile, there are innumerable vegetables which are purple, such as aubergine, cabbage, kohlrabi, etc.

this disinformation campaign about purple is absurd. how dare you

edit: this isnt to say purple is a vegetable, mind you, it isnt. after all, consider the purple barley