All of this is irrelevant if Ukraine crumbles first.
The article seem to indicate that it's much more sustainable for the West than for Russia.
Both sides are aching (very badly) for this thing to be over, or at least taken off the stove.
One can quibble further as to the details -- which are a matter of metrics, wildcards, politics. And (as recent events have shown) there are still many cards to be played.
But that's the fundamental equation we need to keep in mind.