regarding reviews, and in particular, doing apt comparisons of competing gear in reviews, i am 100% with @soix
of course a review can be a piece with just well crafted prose about the subject piece, and on its own it is of some help, but to me, as a consumer of such reviews, it is NOWHERE as helpful as when a reviewer carefully states his/her perceived sonic differences, pros and cons, versus what most would consider to be head on competitors/alternatives to the review piece
comparative info, even if subjective, is VERY USEFUL to a reader gathering info, for a whole host of reasons (hardly worth enumerating, it is common sense) -- that said, for a publication that needs to please many, multiple stakeholders (i.e. advertisers, retailers, and so on), one can understand why sharp comparisons indicating ’a may be better than b’ is unwise and undersirable from the reviewer/publication perspective
still, it doesn’t change the fact that comparisons are useful, indeed very useful for the reader, as much as many commercial reviewers try to avoid them