Conversely, qualitative content analysts have been criticized for being insufficiently systematic and too impressionistic. Epstein later said that he was fired "for being insufficiently correct politically". Public policy energy models have been criticized for being insufficiently transparent. However, Newton rejected such constructions as insufficiently rigorous. But Marx also criticized Feuerbach for being insufficiently materialistic. Throughout the war, the committee would investigate generals deemed incompetent or insufficiently aggressive. The negotiations were widely considered to be insufficiently transparent. Firstly, tortoises and turtles are regarded as insufficiently virile. Shaked argues that the Israeli economy is insufficiently capitalistic. Other talk radio hosts also subjected McCain to criticism for being insufficiently conservative. Many films were banned for being insufficiently patriotic. General Winfield Scott objected on the basis that the weapons were insufficiently tested. A possible cause might be insufficiently deep excisions. Claude's father detests him for being insufficiently masculine. There is concern that adoption of insufficiently regulated 5G could produce major interference issues.