Is the Court of Justice of the EU more Europeanist than Member State governments?

No, because it strictly applies the laws Member States have previously approved.

No, because Member States have retained the power to appoint and re-appoint judges.

Yes, because of its institutional design, it has been able to push integration forward when governments have been unable to.

Yes, because of judicial drift, which has fuelled the kind of Euroscepticism that led to Brexit.