IMO war is like a poker game: while one may have a general strategy beforehand, tactics have to be adopted during play to counter the opponents strengths and exploit weaknesses.
With respect to this war, one weapon such as Patriot Systems is not going to determine likely outcome (all eggs in the one basket gig) but instead overall concerted tactics to wear the enemy down and eventually win.
IMO that will not likely happen in this war because as European countries fall into recession (Germany & the UK already there with France & Spain on the brink) financial and military support for the Ukraine will likely wane forcing a compromise.... ceasefire & a negotiated settlement.
While it is understandable that Ukrainians are very concerned regarding their national security, it would seem that Russians are also concerned about Russia's national security particularly the implication of ring fencing the Black Sea with NATO members . The majority of Russians have experienced the impact of the US led Cold War on Russia and themselves personally and no doubt they see the US led NATO push to extend NATO to all Russian western borders as merely a continuation of the Cold War
To be neutral about this war, its is necessary to see both points of view (both Ukrainian & Russian) rather than a rusted-on-bigoted view.
Whatever the outcome of this war, the Ukraine will never be the same and those on all sides who have contributed to that simply have to take responsibility. The benchmark for such an analysis is the Ukraine prior to the Maidan Revolution/Coup, IMO , and mistakes were made by both sides (Ukraine/US/NATO & Russia) evidenced by the current state of play.