I think the amount of storage space saved would be very minimal-- a traditional parking brake takes up a pretty small space in a car.  I do think an electronic parking brake would take a little less space, but not enough to be considered a true advantage by most people.  This article mentions the pros and cons of an electronic brake and does not include storage space as an issue. ttps://carbiketech.com/electric-parking-brake-epb-working/

I think your article might not be too neutral.  It might be more like something written by a desperate salesman than an objective article.