Q.white weeping cherry
Does the white weeping cherry tree have cherries on them or do they just call it that for a reason?

Weeping cherry trees are related to sweet and sour eating cherries, but they re grown for their ornamental flowers and foliage, rather than fruit. While they do produce small fruits, humans consider them inedible, although many birds relish them. This article tells you more about weeping cherry: https://www.gardeningknowhow.com/ornamental/trees/weeping-cherry/weeping-cherry-growing-tips.htm