Britain is on its way out of the European Union, so has no say in EU policy, but in any case it wouldn’t agree about criticism of Israel because the governing Conservative Party fosters an organisation called ‘Conservative Friends of Israel’ (CFI) whose members constitute some eighty per cent of Conservative Members of Parliament.
Many of influential members in the Trump administration — especially top Trump advisers Jared Kushner and Jason Greenblatt, and U.S. Ambassador to Israel David Friedman — also share and actively promote this extremist religious Zionist ideology that seeks to rebuild a Third Temple.
Christian Zionist involvement in American politics on behalf of the Washington’s relationship with Israel does not serve any conceivable US national interests unless one assumes that Israel and the United States are essentially the same polity, which is unsustainable.
Whatever the case may be, the essence of the question remains the same: Does AIPAC, as well as many other lobbying groups, wield too much power in the US political system?