This is really funny explanation, I am sure that majority off users expect that vi command actually point's to vim, as it was case with prior ubuntu versions. Probably there should be option via dpkg- reconfigure to use vi compatibility
-- Arrow keys are incorrectly mapped in vim https://launchpad.net/bugs/62980 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs