Yeah, it definitely is LOL. So let’s hear it, let’s hear your explanation of how Mary or saints could possibly deal with billions of requests from believers without possessing the attribute of omniscience. I’m waiting, I’m sure it will be as entertaining as the various other answers I’ve heard on the subject...
The saints are able know the prayers and intercede with as many of them as God provides. Presuming that those alive in Christ are bound by earthly time or mortal limitations is silly and narrow-minded.