Team members don't have to be shoulder to shoulder, they can split up to tackle different challenges within mission parameters, as is popular during that one TF (numina?)
One of my favorite teaming experiences involved soloing Clockwork king with my bots/traps/mu MM during a LGTF when the game was live. No one complained about it, but someone missed that i said i would solo him so by the time they got Penny to the door someone asked "what happened to the Clockwork King?" Someone else answered "Cheetatron solo'd him" felt really cool tbh