What the gentleman may have perceived as amateurish and obnoxious could have been a combination of nervousness and inexperience.
The gentleman thought it was amateurish and obnoxious.
I have even considered appealing to her current employer (with whom I have a warm acquaintance) to overlook her nuttiness and keep her on because, despite her Sturm und Drang office manner, she really is very good at what she does.