That’s a nice system, I bet it sounds great. Depends on the room, really can’t tell from the photo. You do have wall to wall carpet which is good for sound absorption.

There’s a class of audiophile that shares a lot of characteristics with conspiracy theorists.

You want to minimize the number of crossovers. So it’s a trade off between the bandwidth of the drivers and minimum number of crossover points. Two crossovers is a pretty good compromise.