之所以危险，是因为实现目标所需要的政策可能会带来有害副作用；之所以是幻觉，是因为目前并没有理由应该追逐现在的目标。
It is dangerous because the policies needed to achieve the objective could have unwanted side effects; and it is a delusion because there is currently no good reason to be pursuing the objective in the first place.