There are many reasons dpkg is inappropriate: 0) It shouldn't require sudo access. 1) It must support multiple versions installed side-by-side for different u

There are many reasons dpkg is inappropriate: 0) It shouldn't require sudo access. 1) It must support multiple versions installed side-by-side for different users. 2) dpkg only supports a fraction of the potential users. package.el supports them all by virtue of inclusion in Emacs.