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Absolutely, The air stone is great for your white finished brew. It will help get rid of any heads and the bite left. You will lose a few % alch. but will make it much more mild. Another issue, is if you age on wood chips or sticks. then you would use O2, the convert some of the oak flavors more to vanillans. Many speak very highly of both. For neutral, only the aeration is worthwhile.
I think I achieve almost the same thing, by shakeing every jar, opening the lid, and allowing fresh air in, and evaporated alch. out. Takes longer. Others post they will cover the jar with a coffee filter and just allow it to age for a good while.

Now there is a lot of talk and experimenting with ultra sound ie. cheap cleaners, for a very quick oaking process?

We are not limited to the old ways, and modern tech. may lead to a better product much quicker.

Not knocking the old ways, thats what I was raised on, but trying to keep in touch with better ways, if they prove out."

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Presume those are wood kegs. They will do some aereation themselves. The smaller the keg the faster it will age and aereate. If when you are satisfied with the oaking, and there is still a sharp bite from extra heads, you could aereate more. Time would depend on the quality of your final brew. Judge by taste.

Seems in a grain or flavored hooch, this removes the harshness, but concentrates the flavors a bit."