The magic words "as is" are defined by statute, but I'm not aware of any general rule of construction reading "person" as you describe. Contracts frequently define "Person" or "Entity" to cover both natural and legal entities/persons, because the law does not. See:

https://www.adamsdrafting.com/person/

For how Blue Oak improves over existing terms, see my write-up:

https://writing.kemitchell.com/2019/03/09/Deprecation-Notice...