Adding {{el}} templates to replace section headings version disambig pages doesn't actually save disk space; it actually uses more disk space because the old revision is not deleted on disk; also, it adds links to broad-concept pages that are not ambiguous with the disambig page titles and links in section headings are discouraged.
Adding {{el}} templates to replace section headings version disambig pages doesn't actually save disk space; it actually uses more disk space because the old revision is not deleted on disk; also, it adds links to broad-concept pages that are not ambiguous with the disambig page titles and links in section headings are discouraged.
why are links in section headings discouraged ?, and for your first point, removing them uses more space as well
Wikipedia:MOS:LINKSTYLE