[tim333]

>We did defend Ukraine to the best of our ability

The US under Biden defended them in a very wishy washy way. He could have said do not invade or we'll send jets to stop the invading troops. But he actually said something like if it's only a small invasion the US is unlikely to get involved, and refused to allow other people's F16s to be used until a couple of years in.

If he'd just said we are not fighting but we'll send the NATO surplus stuff over 20 years old to Ukraine freely at the start that likely would have been enough. But no. "Escalation management" - Ukraine not allowed to win incase it upsets the invaders.