Depending on who all the voters are in this question, it would seem Mr Trump is not evaluating ‘being insubordinate’ correctly? The response to the call was made known to superiors in proper order, so there was no undocumented surprise placed in front of Mr Trump. This is perhaps another in the list of persons removed, by all appearances, due to going against Me Trump’s wishes/expectations. Let alone to the list of persons who took the same stance on issues, but left their position before rather certain removal(retaliation?) by the President.