I don't know if I would condemn those people. If they are providing a safe, relatively stable environment for the kids they foster, then they are providing a needed service, regardless of their motivation. Not the ideal, certainly, but it's better than some of the alternatives.
Some of the ones I speak of were better only by sleeping in the dumpster versus next to the dumpsters. I was called to many times to remove children from 2nd level of the hell they escaped in the first place.
Sorry if my original post didn’t expand on such. There are good foster care systems thus I said and stand by my comment based on personal experience .....doom on those that do such for mere profit. Versus providing “proper care and comfort” to a troubled and frightened displaced child.