If that's what you think how bout the other way around? How can you evaluate content without design? No typography, no colors, no layout, no styles, all those things that convey the important signals that go beyond the mere textual, hierarchies of information, weight, emphasis, oblique stresses, priorities, all those subtle cues that also have visual and emotional appeal to the reader. Rigid proponents of content strategy may shun the use of dummy copy but then designers might want to ask them to provide style sheets with the copy decks they supply that are in tune with the design direction they require.
The main thing I’ve learned from this is that I really need to make sure that I address and resolve my characters story arcs with as much clarity and closure as the major story arc. I need to make sure I revise my detailed written story line, as that would help to ensure I don’t end up having to fix those issues during the sketching stages like I did this time. In hindsight, if I hadn’t been on a very tight university deadline, I wouldn’t have jumped into the thumbnailing stage as quickly as I did, and would have done more written drafts first.