Patriots are ridiculously expensive (a cool billion per battery), and best kept for certain missile threats. There are other cheaper weapons for other missile threats.
But yeah, Western assistance is more of a slow drip than a proper flow.
maybe that was a bad example, sorry. but i feel like we are on the same page so no hard feelings. actually i was thinking about patriots because of this bellingcat investigation where they were able to identify them from their interference with sentinel-1 satellites: