I had to check for myself, and you are absolutely right, NATO weapons were not mentioned by Zelensky and the weapons that were mentioned, according to Google, were Ukrainian.
This is but another misleading title, which is common these days, for those that do not go beyond the title to form an opinion. The titles are basically lies designed to sway public opinion. And it works.
And judging by the comments on this thread, that includes many here on FR.
To your point and with the awareness that some are being careful in their words about "NATO" in the OP's article, here are some voices from recent news, all from NATO member states, to the larger point.
As to "proxy war," here are some hotlink sources to verify "proxy war."
Rubio says Ukraine conflict is part of US-Russia proxy war The Hill, 03/06/25And here are some hotlinked articles about NATO munitions supplied to Ukraine.Rubio labels Russia's all-out war against Ukraine 'proxy war' between Washington, Moscow Kyiv Independent, 21 September 2025
Kremlin says Rubio's view of Ukraine conflict as a US-Russia proxy war matches that of Putin Reuters, 6 March 2025
UK confirms supply of Storm Shadow long-range missiles in Ukraine BBC, 11 May 2023And here are continuing actions by NATO members in the "proxy war"Europe digs deep to buy U.S. weapons for Ukraine Washington Post, 26 July 2-25
France is sending Ukraine more AASM Hammer bombs Kyiv Independent via Yahoo, 5 May 2025
Britain tests long-range missiles to help Ukraine bomb Moscow Telegraph UK, 20 June 2026It's a proxy war, NATO members including these United States have been and remain involved, and it is wholly correct about this instance found in media that "you are absolutely right, NATO weapons were not mentioned by Zelensky." This time, but the longer picture is one of NATO involvement in weapons and ISR over a very destructive war.UK to Deliver 150,000 Drones 350 Air Defense Missiles and Radars to Ukraine by 2026. Defense News Army. 18 June 2026
Rheinmetall’s New German Ammo Plant Sends Its First 155mm Shells to Ukraine United24, 14 July 2026
As you can see from the above links, no reference to "The Conservative Treehouse - The Last Refuge" is to be found. Along with so many YouTube postings and more, there seems more opinion on various and competing sides than hard information.
Many want to keep it that way. How this war will actually turn out for all the players -- to include Ukraine and its supporters and Russia and its supporters -- is to be seen, and probably in only a year or two because of dear Herb Stein's adage in my paraphrase, 'that which cannot continue will stop.'
Best wishes to you, who wrote "I see Trump as the last ditch effort to save the country."