You may have a point. "Forbidden" was what I vaguely remember hearing once. I think "discouraged" is probably fair. Will correct.
...forbidden? Since when?
Not that Devil's Peak is exactly reknowned for its rock climbing, but I'm sure one could have some great chossy green trad adventures up there. The northern face opposite the minor peak doesn't actually look that bad... if one were to have lots of enthusiasm. ;-)