It’s technically not disinformation. Just a flawed conclusion. Politely pointing out alternative, more accurate, ways to look at it is the recommended method.
Given their previous bullshit comments I’m very much convinced that it is indeed disinformation. They’re certainly not acting in good faith with their arguments.
Had he stated anything about what the SOF in Ukraine were doing I would agree with you. I believe the consensus is they are there training Ukraine troops.