I agree with you on feeding techniques and if it was up to me, I'd have a feed control like TK has. However, my collaborative grow operation has other decision makers who are still trying to learn everything. They are basically on their second grow and we still have some things to figure out.
I tried to convince them to jump directly into hydro where I feel most comfortable but they were still living the fantasy that they could just chuck a seed in some dirt and it would magically produce great weed. Their awakening is progressing at the normal rate now .
For now, hand watering is how they want to go no tubing, hoses, or pumps!
Happily, I have convinced them to add 1/3 growstone to aerate the coco and, in theory, help us feed more often.
I am familiar with Cultivator. I watched a lot of TK's first grow pretty carefully and became quite a fan of Cultivator's skills.
Hydro Guy Gets Dirty In MA