Marinating, brining or pickling, they save time getting the flavors or solution into the item.
But for any chemical reactions such as tenderizing, you'll still need some time, albeit a minimum of time.
I'd be cautious with tenderizing.
Al,Well I know it sure makes pickles a lot faster.
Instead of 6 weeks, it takes 5 days if they are in a vacuum cannister.
Al