One of the biggest issues that prevents this is that states cannot require residency requirements (e.g. must have lived in state for 2 years) as part of the cri

One of the biggest issues that prevents this is that states cannot require residency requirements (e.g. must have lived in state for 2 years) as part of the criteria for access to such social safety nets. https://en.wikipedia.org/wiki/Shapiro_v._Thompson https://en.wikipedia.org/wiki/Shapiro_v._Thompson