On stage and in interviews Macklemore tells Jewish listeners that criticism of Israel, “apartheid,” and “genocide” is “in no way a criticism of you,” and that Judaism and Zionism “are not linked.” He highlights Jews who join anti-Zionist protests as the authentic example and treats the rest as having been sold a political ideology that can be detached from Jewish peoplehood.
That is an identity instruction coming from someone who is not Jewish. Some Jews accept the framing and already live that way. Many others treat the historic connection to the land, and the existence of a Jewish state after centuries of statelessness, as part of what being Jewish means to them. They are not required to accept Macklemore’s version of the distinction just because he repeats it to a stadium.
He is free to hold the view and to say it. The people he is addressing are equally free to reject the demand that they split their identity the way he prefers. That disagreement is the whole point of the original observation: you cannot usefully order people to separate the two when a large number of them do not experience them as separate.