It is hard to know exactly what to conclude without the raw data from CR, or at least more data than was presented in OP's link. However, I found this portion of that link to be of interest:
"Of the 17 problem areas
Consumer Reports asks about, the electronics generated more complaints from owners of 2013 models than for any other category.
This coincides with the exponentially more complex
infotainment systems that are being implemented that feature data connections and far more components that can ‘go wrong.’ Fisher even noted that this year’s results demonstrated that new cars are for the most part mechanically sound."