I've recently been sorting my maps into different folders I can switch to under the 'Mods' menu, and I've found in doing this that some maps with hitherto missing textures have had those textures magically appear - I suspect that conflicts with texture or shader names in other maps, now in different folders, may have been responsible for the textures originally being missing.
Could such a conflict have caused the missing texture problem described in the review?
Well, maybe not healthy, but you know what I mean.