我觉得应该是这个意思：

To read such rubbish while sitting in a highly organized office of a very efficient hospital would have been amusing were it not for the certainty that uninformed people in America would assume a basis in fact。

要不是对美国不了解情况的人会自圆其说这点很有把握的话，坐在如此高效益化的医院里，如此井然有序的办公室里看这些垃圾就是一个笑话。