Jesus Christ. This thread is full of soo much bullshit and misinformation it should probably just be locked
Sc or any other training method is not some miracle worker. If you can train a plant to take advantage of your lighting or other setup considerations, your going to get more yield.
If you want to maximize yield indoors then you need to train your plants (unless your going SOG...obviously)
4 lane highway of xylem... Dumbest thing I haver we read. Indeed a plant creates more xylem pathways after injury, they are much smaller in size.