I have to double check here because it's ambiguous, but the child of poverty here is Russia, right?
If you’re not sure, ask poor Americans, ask a homeless person, ask a recent immigrant.
Because they are mostly token sanctions, to raise awareness - "you're doing something which we don't agree with". Some sanctions are also more targeted - like https://en.wikipedia.org/wiki/Magnitsky_Act, which is more troublesome for it's targets, at least judging by their reaction.