They don't know what they are talking about, though emotions make it understandable as Ukrainians are dying every day.

A lot of Western tech takes a lot of time to train on which limits what can be sent. It's also a tough 'game' to play of equipping Ukraine without giving them equipment that you really don't want to potentially fall into Russian hands. That, and most of these countries still need to maintain stocks in case they are invaded or are drawn into a war.