I am not talking about the parent relationship but the mystical relationship.
And real persons wonīt last on that closed environment too long.Their trade for very low prices.
And itīs not like there were non poor persons on Lowtown to make charity.I hardly believe they would last a month none the less a lifetime.
I think that pretty much proves at least the impossibility of the fact there were poor persons living in the lowtow for that long.
And from there we conclude that they are ghosts.Unless you think they are robots which can be argued.And that is the part that canīt be proved.But considering what happened during the Diaboloīs hunt and the fact that in Squareīs games event suggest event my theory is probable.