Yeah in steemit tag has a very importance and its a usefull to find a topics what you want to read or what you want to know ..if any one want to post some article is it good or bad or qualiry or not quality content ..that is not a matter we alwas use tag which is related to the post ...so in my opinion tags are very helpfull and usefull to find a content what we want easily...so my advice what is dont waste the time of readers by putting false newses and non scence in the blog by taging the good topics this causes good content loose the value...so be uniqe and share good and usefull content by using tags....@cryptoctopus