Eh, we have to look at what rationale was behind a call, not just that they got the result right. And in Trump's case, I doubt there was much consideration of it beyond it being a good rhetorical jab in line with his general contrarian antics.
[0] For example see a policy brief from the european parliament in 2014: https://www.europarl.europa.eu/RegData/etudes/STUD/2014/5364...