It's not the same situation. Obviously. Russia wants one small region that they lost custody of in their divorce. Germany wanted all of Poland, Belgium, and Netherlands. And it's certainly not as if the reason WW2 happened was that Poland surrendered eventually. The sum total of similarities between the two scenarios is: both countries tried to take land.
It's actually a better argument to say that taking Poland and Belgium by force allowed Germany to accelerate their war machine dramatically compared to their future opponents, and had they been surrendered to, might not have been able to pull off the massively complicated military feats that were 100% required to be done in the first few months of the war if they wanted to even have a chance to win it.
If you're trying to stop a steamroller, your best possible course of action is to not let it get started. And there is no steam roller required vs a surrender.