Soloing BG3 to me seems like something I want to test out but after playing DA for so long, would be hard. If you are an avid RPG player, it may be easy but would that not take away from the experience?
Halo's story was always praised and played for many hours of. The co-op there was incredibly fun. Back then, we didn't care as much for graphics, FPS, etc when we played those co-op games, We just wanted to have fun, and a lot of what games are now, are based on players wanting ABC added or changed. With technology changing so do expectations of movies and games.
You're not wrong. There is a way to. There are some games I never understood why there was one, but I always thought it was cool to have it in there.
I remember Lucian being the main character protagonist in Divinity but when I played I kind of pushed the main character thing aside and just ran through missions. BG3 through, as it isn't directly related to BG2, your character is the main one, so it has to have one.