Weapons stocks and NATO support for Ukraine in July 2023

Why were NATO countries not doing more to support Ukraine, in this July 2023 assessment?

The explanation offered is that earlier underpreparation for peer conflict left them trying to restore readiness while supplying Ukraine from existing weapons stocks.

This July 2023 assessment attributes limits on NATO support to years of inadequate preparation for conflict with a peer. Member states are described as trying to restore that preparedness while supplying Ukraine from their weapons stocks. The explanation treats available inventories and readiness as constraints on how much assistance can be provided.