Should music artist be judged on their personal lives or for the quality of music they produce?

Example: Chris Brown was heavy criticised for the domestic incident that he had with Rhianna. At one point he disappeared out of the spotlight. Now he is back again producing great songs. Should his private life really have affected whether or not he should be producing songs? What do you all think especially those of you that love music.
Should music artist be judged on their personal lives or for the quality of music they produce?
Post Opinion