Should the updated Classes and Subclasses categorizations be taken more seriously?

The biggest thing I like about Subclasses is that they describe a general job you can use a given champion for. Dividing Mages between Long Ranged Artillery (Artillery Mages) or Medium/Short Ranged Brawling (Battle Mages), or dividing my Engage Tanks (Vanguards) from my Defensive peelers (Wardens), or maybe I just want to statcheck and steamroll a game and list out the Juggernauts before me, the new classification system has so many more practical uses than the old system that just kinda hints at the theme of the champion but doesn't describe their play style at all (Gangplank listed only as a Fighter, despite being an ability based burst brawler).

Or at the very least, if I want to search for things, give me custom tags :x