Looks like the biggest mistake was to not eliminate all the military targets before attacking civilians.
Hitler made that mistake and it cost him the conquest of England.
Door to door fighting is horrible, but if there is no power, food or water coming into cities they will not last long.
Europeans seem to be very city “Centric”. That makes it easy to beat them.
Ukraine is far more rural than western Europe. Your observation is more applicable to the UK
“Europeans seem to be very city “Centric”. That makes it easy to beat them.”
Much like US democrats. It is all about the inner cities with them