[dragonwriter]

> That's around 3 weeks total annual production of Patriot missiles fired in 2 minutes at a handful of targets with at best partial success.

Its a total success; the purpose of a defensive system is prevent something else from being hit. And, there’s pretty good reason to believe that the reason there aren’t more than about 6 Kinzhals in Russia every-one-to-two-week mass missile attacks is that they simply aren’t producing enough to fire more. Also, there were 18 missiles in the barrage, including other SRBMs (the ground launched Iskander), S-300s used in surface-to-surface mode, and cruise missiles, not just the 6 Kinzhals.

> So it's both correct that Kinzhal is really just an air-launched SRBM not a hypersonic glide weapon, and that our existing missile defense looks at best barely capable of partially defending against very limited numbers of conventional SRBM.

Patriot isn’t the whole (or even the most capable system) of our existing ballistic missile defense, even if it is the most notable system of ours deployed, as of today, in Ukraine. THAAD exists, and is more capable than Patriot.