A 73mm BB shell is not a "single spec" it's indicative of dozens of other design choices made to accommodate off-road riding. The Gorilla Monsoon is not a gravel bike, it's a drop bar mountain bike. It's going to have mountain bike spec tubing, going to ride like a rigid mountain bike.
Someone on this forum has a gravel bike all decked out with front and rear racks and other commuting items. The bike doesn't magically become a "commuting bike" it's just a gravel bike used to commute. Same with the Gorilla Monsoon, it's got some road parts and drop bars but it's not a "road bike," to say otherwise is ridiculous.
I'm always amazed at high volume posters who appear to have very little technical knowledge. I wonder "what in the world do you post about?" and then this thread comes up and I have my answer.