This is an outstanding article, it’s the first program I used and I went with it for about a year. I think it’s a perfect, simplistic, effective way to train consistently for the long term. Sure other techniques or programs could be added/switched out as necessary, but I think this is the “foundation” of what bodybuilding training is all about, basic split routines, each muscle hit once every 5-7 days, compound and isolation movements, addressing weak points.
If you read his articles here that precede the template:
He talks about the basic principles of bodybuilding training, which have pretty much all been hit at some point on these threads.