Did the US provide direct training in how to destabilize and overthrow a government? Because they have teams that can provide that training. It’s routinely used in the Western hemisphere. If they gave the coup leaders anti-insurgency training, that’s an entirely different situation.
The problem is probably more coincidental. US training makes units better. There’s a base level of thought in the US military though which you can describe as “you follow orders of the duly elected representatives of the US government.” If you don’t instill that base thinking, all the training does is make military units that are going to succeed at coups.
So is this article dealing with the reality of trying to rewrite a foreign military’s thought process and it’s relationship to its civilian government? Does it discuss the difficulties in doing that while trying to train them for counterinsurgency operations? If it’s just making a casual (not causal) connection between the coup leaders and the fact that at some point those leaders had US training, it’s propaganda.