@RAM友 在 恃住IEEPA真係可以打橫行？ 中說：

歸根究底唔係淨係制度既問題，同人都有關係。美國真係天選之子，咁多屆總統都冇出事

唔係咁講，對外事務上美國總統唔會去得太盡，恐怕都係因爲國内輿論掣肘

當年撤出越南戰爭其中一個原因，據説就係因爲平民傷亡畫面傳返美國引起輿論譁然，美軍失利場面都使大衆懷疑政府宣傳，甚至覺得被政府背叛，反戰呼聲越來越高

https://en.wikipedia.org/wiki/United_States_news_media_and_the_Vietnam_War
The role of the media in the perception of the Vietnam War has been widely noted. Intense levels of graphic news coverage correlated with dramatic shifts of public opinion regarding the conflict, and there is controversy over what effect journalism had on support or opposition to the war, as well as the decisions that policymakers made in response.

As more American households obtained television sets, it became easier for citizens to keep up with the war. The media played a huge role in what the American people saw and believed. By the mid-1960s, it was becoming increasingly clear that the war was not going well for the U.S. and South Vietnam, despite the optimism of official accounts. As reports from the field became increasingly accessible to citizens, public opinion began to turn against U.S. involvement, though many Americans continued to support it. Others felt betrayed by their government for not being truthful about the war. This led to an increase in public pressure to end the war.