The Chinese tallow is considered an invasive, noxious species by those concerned with fields and large acreage.
It is considered a fast-growing, attractive shade tree by many homeowners.
Bees get pollen from tallow trees, says Wikipedia. And in Asia the tallow oil is harvested as a biofuel.
Thus we derive a hypothesis from this plant:
that many plants will have both useful and, at the same time, negative qualities.