On the contrary, 24 of the 26 German Generals that were captured and inturned after the battle of Stalingrad survived and were released.
Many of them were half-dead upon capture after months of mulnutrition and exposure to weather during the battle. Although many more than 5000 survived and gone native never to come back to Germany. By 1955 when Khruschev amnestied them thousands had families in Russia.