Noah Smith summarizes a list of changes requested by Hanauer and Liu for economic theory, so I thought I'd give the information transfer framework (ITF) view for each.
TL;DR version: Hanauer and Liu try to tell us how economics should be done. But no one knows how economics should be done until someone has figured it out. Do the research, show us success, and then tell us how to do everything.Information Transfer Economics
New paradigms in economics assume the outcome of research