Training should have a target or end goal, otherwise it can get whimsical and waste time/resources - more about OCD than function.
Shoot for about 3 colas per square foot -- some rounding to fit number of plants and exact square footage is fine - this doesn't have to be exact. Maybe, err on high side to be safe, but that'll only be a fraction of a cola different per sq ft. Some of that rounding comes from a symmetrical plant being much easier to train than an asymmetrical one. 8 colas is easier to efficienty reach than 9.
Be systematic about how you get there. Try your best to make each cola supported by the same amount of vascular tissue. e.g. each primary branch off the apical meristem (trunk) supports the same number of colas in canopy. This is not necessary, but makes keeping the canopy level easier and better distributes bud mass evenly across canopy, too.
Doing this will also allow you to most efficiently reach your goal with the least amount of wasted time and resources. You can refine your process to the point you can follow some basic instructions without any thought in future. Make it clockwork.... no fretting over choices, because you already know the outcome. You'll gain familiarity faster.
More is not better. Enough is the goal. Enough colas so that you maximize yield, but don't cause over-crowding - leads to excess stretch, smaller/harder to trim buds and same yield potential. Massive colas aren't the goal, either. those are just elevated risk for pathogens. Some genetics grow bigger colas than others. Some plants may be better with more than 3 colas per sq ft. It's not perfect, but you can get much more consistent results doing it, even so.
apical dominance is a tool to manipulate. Use it anytime it is warranted. Same with topping or any other so-called technique that was never unique to marijuana hobby and had other names before. This stuff isn't revolutionary. It's just basic gardening.