...are of a certain irreducible complexity which undergo a process of peer review prior to publication in scientific journals, and rightfully presume a minimum prerequisite background for proper interpretation? I'm sure the topic and its meta are interesting to the professional audience in which they were intended for.
Putting something in the public domain allows other people with knowledge in the field to use the information. It doesn't mean that the lay-person should be able to digest it.
The public domain isn't some lowest common denominator clearing house of information, it's just public.
So yes... public posted information should be layman ready