some develop their own mental listening reference for decisions, and their own decision process. some prefer to rely on other’s opinions and trust their references. for some the process of investigation is work, or maybe not something they have the time (or opportunity) to do.
both are legit approaches.
personally one of the most satisfying parts of the hobby is system building decision making. just love the personal listening investigations.....and posting about it.
i went a couple years of reading reviews and getting recommendations for gear purchases and eventually 20 some years ago, found my own ear for things. it’s something one can learn.