After Ukraine PM’s exit, Defense Minister axed: Why does Zelensky keep purging his generals?

Ukraine's government has entered another major political shake-up as President Volodymyr Zelensky removes the country's defense minister shortly after the prime minister's exit. The latest reshuffle has raised fresh questions about leadership stability, military reforms, and decision-making during the ongoing war. Why are Ukraine's top officials being replaced so frequently? What does this mean for the country's military strategy, NATO cooperation, and the broader conflict with Russia?