I don't think it's a rebuttal. I don't think it's a "but"; it appears to be an "and". The implication is a warning for people who may look to an alternative to

I don't think it's a rebuttal. I don't think it's a "but"; it appears to be an "and". The implication is a warning for people who may look to an alternative to inuit based on this - stay away from H&R Block as well. No one said anything about inuit not being punished.