Ok so you’re focused on not being needed. Considering 99.99% (leaving some exceptions on the table like maybe a hami tanker) of players are not specifically needed and have not been for at least 10 years now, this is something I have simply come to accept. Considering the mobs are dying at a pleasing pace, I’m not sure there’s a lot to complain about.
One thing’s for sure though, I certainly wouldn’t consider your character obsolete since defining obsolete as not being absolutely essential to the team’s success would render all characters in the game obsolete, kind of defeating the point of talking about obsolescence in the first place.