Did you recognize I'm answering to a comment, not the article? Don't "Don't just read teh headline" me, because you're wrong.
The article itself is (imo) problematic, too, though. First, the headline feeds into the dangerous narrative that Ukraine couldn't win the war. It is a statement, not a question that gets examined and studied. Second, the article itself doesn't support the headline as a definitive statement, it talks about the issue of desertion and recruitment, not the actual number of soldiers. It's a misleading headline. Third of all, it's one persons opinion and observation, not an objective, broadviewed examination of the issues that tries to take many viewpoints into account (for example the influence of slow support by Ukraine's partners, that Russia faces similar recruitment issues etc).
The Article is a representation of one person's view, and it's fine at that. But it's nothing more.
Okay, and what are "we" (as in Ukraines western partners) to do about this? We cannot send ukrainian refugees back with a gun and a helmet. We cannot wololo russian soldiers into ukrainian ones. We cannot conjure up soldiers magically. What we can do is send weapons, ammunitions, medical supplies etc. We can enforce sanctions against Russia and its oligarchy making it least profitable and discouraging to fight this war.
Or do you want to send troops?