There are no ‘experts’ on this type of thing.
What is the strategic goal here? The Ukes invaded the least guarded part of the border and created a bulge. For what, exactly?
If to improve their negotiating position, they miscalculated. No ‘peace talks’ will begin while they hold these positions. They are temporary, at best, with no air cover, no trenching, no fixed defenses, INSIDE OF RUSSIA. The russkies won’t take long to eradicate them. Then what? How many dead for a failed PR stunt?