The Spirit will fill the gap between conventional X-configuration quads and FPV racers
There are lots of different home and or scratch build Vtail quadcopters, some are available as a kit or drawing.
Investigating these Vtails is going to be a part of the commercial proposition and marketing positioning.
The Spirit stands out by its sleek and aerodynamic design.
Although they function fine, pictures below show examples of visually non attractive Vtail designs.