Alberta, I sensed a sermon in there too. The writer is a "guest columnist" to the editorial section, so I wouldn't give up on the Times.
I fully support the idea that creative productivity can flourish when mated with personal discipline, but I think it's a lot more complicated than that in real life. Some can, some can't. Mark's post is right on target I think.
Sometimes we wish Bird or Bix would have done this or that differently, and maybe deep down it's because we want more product to enjoy. Seems kind of selfish. They lived their lives as they did, whether one approves or not.