Earlier quoted context omitted.
It's hard to understand how "we" could not have prepared sufficiently. This conflict in Europe isn't a spur of the moment thing. Arguably it could have been in the making since the dissolution of the Soviet Union, but even if you don't go that far back, then at least from 2014. It certainly didn't come out of the blue! I'll make my comment more assertive: I think "we" (for almost any value of "we") prepared for this.…
I think EU specifically dropped it's defense and R&D budgets and became too weak, making land grabs by Russia possible. There's a reason Russia feels good blustering about attacking Finland.
When did that happen?