I think this guy’s expertise trumps yours.
https://foreignpolicy.com/2018/03/28/patriot-missiles-are-made-in-america-and-fail-everywhere/
So you rely on one article from a guy that seems to be anti US? Foreign policy mag is generally left of center and has been for a while. If Russia succeeds in Ukraine will you invite them into the Baltics? Why do you dislike Ukraine? Are they not pure enough for you?