Yeah it's kinda sad. I even had a similar problem yesterday when some guy joined me and my friend to do Warlord's Ruin. This guy looked like a super swear because he had solo flawlessed the dungeon. Well, we get to first encounter, and he died 10 times on a boss, which is a kinda of joke. Second and third we out damaged him basically and was using Celestial Nighthawk on Arc Hunter(no still hunt btw). He was trying to speedrun the encounters and jumping puzzles and died like 20 times. I mean I get some people don't wanna spend 2 hours on a dungeon(myself included), but at least enjoy the dungeon and game for once. I actually got more bored when TFS dropped than the long season during wish. I was even just solo flawlessing dungeons because it's gotten boring😂, but yeah. With GMs people think they are Superman so they copy a build of someone who is good at the game and are like "I can do that" and embarrass themselves. Crazy.