1) Yes, it has been fixed - actually it was hotfixed pretty soon after they became aware of this.Correction: It seems like some of these are working (again). Was pretty sure people reported that those "exploits" weren't possible anymore. Well - Blizzard fixes things immediately that require fixing. If they think that this is not as rewarding as, for example, doing rifts, they won't do anything about it.
2) Watch your language, this is not an acceptable tone.