I probably chose a bad example. Sticking with welfare, in many countries the payment is means tested. To simplify, let's imagine there's a policy that says "peo

I probably chose a bad example. Sticking with welfare, in many countries the payment is means tested. To simplify, let's imagine there's a policy that says "people earning over $1000 a month are not entitled to welfare". At some point politicians decide this is too generous and change it to $1500. In an RBAC, you have to the the roles audit and reassignment. Whereas in the ABAC, because you've already been collecting this attribute so you just change the policy and keep making access-control decisions as normal.