I hope to add a "Voronoi Fracture" modifier

[d4rk3lf]

But you wanted to avoid multiple objects for export, and I agree this step is not necessary.
Birth flow solve these things.

If you are talking about Ram consumption.. Ram is Ram.. if you run out of Ram with TyFlow operator, you will run out of Ram with modifier too.
It doesn't matter how big or small sim is, same principles apply.