A lot of blame-shifting is happening about the failed Ukrainian military offensive. But strangely there’s almost no discussion of its real causes, which are the steep learning curve of the Russian army and the military technology revolution happening right now on both sides. The Russo-Ukrainian war began as a classic artillery war. Now it is rapidly evolving into a drone war. The drones are ubiquitous. They destroy everything. Small FPV (first-person view) drones, or “seeds” in battle slang, are already hunting individual soldiers. The Russian offensive in Avdiivka is a bloodbath, and 70 percent of Russian armor is taken out…