Salient point (TIL)... We also check our bottles regularly and replace the corks every 25-30 years, which gives us an opportunity to monitor the quality of the

Salient point (TIL)... We also check our bottles regularly and replace the corks every 25-30 years, which gives us an opportunity to monitor the quality of the wine. ---- Presumably they are checking its 'drinkability' among its other qualities!