This may very well be the reason:
http://www.archmagerises.com/news/2021/6/12/how-to-procedurally-generate-and-decorate-3d-dungeon-rooms-in-unity-c
A hobby indie dev blog by a father and his two sons
This may very well be the reason:
http://www.archmagerises.com/news/2021/6/12/how-to-procedurally-generate-and-decorate-3d-dungeon-rooms-in-unity-c