Makes sense. Unfortunately, the use of "them" instead of "those" in this case (actually, in many cases) is grammatically incorrect. At the very least this usa

Makes sense. Unfortunately, the use of "them" instead of "those" in this case (actually, in many cases) is grammatically incorrect. At the very least this usage would cause the listener/reader to assume that English is not the speakers first language, or assume a lower level of education. Not meaning this to be a discouragement, but hopefully, a help