The stud wall's 2x6 wood bottom plate rests soley upon the
vapor barrier, with no observable concrete footer support -
recommended further evaluation by a structural professional.


Don't you just love home inspectors? Someone paid this guy
to recommend that you pay someone else for their opinion.
Just see if you can remove the wall all together. If it was
just put in the center of the porch to keep it from being
springy, you may be able to remove it.