How can a person with zero diplomatic experience be appointed as an ambassador in such an important country as the USA? - Political Scientist

Political scientist Suren Surenyants wrote on his Facebook page: "Lilith Makunts has apparently not denied the possibility of being appointed as ambassador in the USA. You can be absolutely sure that this appointment will be perceived as inadequate and very negative in Washington. Simply put, Yerevan is sending a message to Washington that US-Armenian relations have no value for it, and the position of ambassador becomes a long-term tourist trip endowed with state privileges. Well, how can a person with zero diplomatic experience be appointed as an ambassador in such an important country as the USA...?"