Why call attention not so much to the difference between "few love her" and "none praise her" as the notion that none praise her?

他为什么要让大家注意到,“没有人赞扬她“和“几乎没有人爱她“,的区别呢？

耶鲁公开课 - 文学理论导论课程节选

What is the meaning of an untrodden way, or of "there are none to praise" her but "very few to love"?

没有人走过的路是什么意思呢？,还有“没有人赞扬她“但是“几乎没有人爱她“又是什么意思呢？

耶鲁公开课 - 文学理论导论课程节选