What the 'soft subject' debate was all about was stopping kids taking 3 daft subjects and then realising these were essentially useless, and that if only they'd taken at least one sensible subject they would have broader options still open to them.
If you do 3 A levels in, for instance, PE, Accountancy and Media, then its effectively waste of time - if you substitute at least one of those with a more traditional subject (like English), then future opportunities will be much wider, not just in terms of Uni courses, but employment/apprenticeships etc as well.