You’re playing a game that’s been out for 8 years… The playerbase is down to 1/1000th of what it used to be. 90% of those remaining only play with a specific set of other people. If this game were on steam and you clicked on the steam stats graph, you’d likely see this game peak out at 10k concurrent players for the day(worldwide).
Of the people that still play the game, the majority are of a very specific subset of gamers and are extremely min/max oriented. Minimize effort in playing a character, maximize dps/tankiness/speed/etc.
If you had two builds to pick from that can both push the exact same GR level, 99 times out of 100, people are going to pick the easier to play of the two. The one with less micro-management and that they can spend 75% of their time holding one button down…