I'd rather have a bottle in front of me than a frontal lobotomy.
I save the corks from whiskey bottles to use as stoppers for open wine bottles. A wine cork can be hard to re-use after the corkscrew. It's also nice to have an inventory of stoppers in case one comes apart like some Rare Breed stoppers have. I think some brands use the cork to symbolize that they are marketing something as a more high end brand.
I save my old corks too. But I just keep them to replace corks that give me problems. Some are prone to breaking.
I also have a bag of corks and do like corks best. I know they get old and fall apart but there is just nothing better than opening a new bottle and hearing thump. Screw tops do leak as well I had a bottle of Wellers SR I put in my luggage and it leaked all over the place.
[Liberty Valance lays shot in the street]
(Dr) "Quick whiskey!"
[ Dr drinks from whiskey bottle, kicks over Liberty Valance]
(Dr) "He's Dead"
I too have had screwcaps leak, so just give me the good ole squeak and thump.
"What weasel stole the cork from my lunch?"
-- W.C. Fields
Sure, cork is impractical. I don't care, I prefer them. I haven't had a cork failure or leakage on any of my whiskey bottles that are younger than about 30 years old (the bottle, not the whiskey...)