Good stimulating discussion,
I just wanted to reiterate here, that the energy consciousness that is reincarnating as a human being is a very small, if not the smallest part of the total energy consciousness of that soul. The greater part or parts of that energy consciousness exist elswhere in pure and total light. The only reason why the energy counciousness incarnates into this earthly plane is to convert or transform that part of self that is still in darkness i.e denial, into light. When that happens the reincarnation process stops and the energy conciousness is re-united or remerged with their higher self again, in pure light.
All energy consciousness incarnating on the earthly plane in any manner of physicality whatsoever, do so completely and unequivocally by ther own choosing for their divine purpose and ultimate enlightment.
We are not to be sorry for or empathise necessary for these souls, for doing so normally detracts from the message they are here to deliver or love that they are here to teach. Just accept them in love for who they are, and let them live their lives.
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That is universal and divine law, and canot be usurped, only understood.