Ukraine's fight shows the West why cheap robots could matter more than armored vehicles in a long war, arms maker says Ukraine has a growing fleet of ground robots that take over some roles of other vehicles and keep humans further from the fight. Dmytro Smolienko/Ukrinform/NurPhoto via Getty Images A Ukrainian robot maker says long wars may favor cheap, scalable ground systems, not top-of-the-line armor. Expensive tanks and armor are limited and slow to replace, while robots can scale fast. Using attritable ground robots for some missions could reduce the strain on traditional vehicle stocks. Ukraine's experience shows Western militaries how major yearslong conflicts can deplete tanks and armored vehicles and why warfighting robots might matter more in the long run, a Ukrainian ground robot maker told Business Insider.…