I think those products are good for that transitional stage. Going full organics can be intimidating until you get your hands dirty. When I started, the extent of my organic knowledge at the time was Soma's book. He uses "organic bottles" so I figured that was the right way.
I went to the "hydro bro" and said I wanted to grow organic. He sold me a bag of Fox Farms Coco Loco and the Biocanna line (veg, bloom, boost, rhizotonic). I looked at the bag and it had everything listed that sounded good.
As I became more comfortable with organic concepts and recycling, I started to learn ferments (that's what these products actually are). And started making my own.
Now I am finally comfortable with the organic soil concepts and am building my own soil. I'm still only seeing the tip of the iceberg.
In summary, if i would do it over again I would have started a worm bin sooner. EWC is the simplest way to improve any soil mix IME.