Was reading about it the other day in one o my books not quite sure which one ,
Anyways, it makes the plants more prone to intersexing
And it's also stressful because of the way your plants will grow, they look fine an they are generally healthy but the seeds from 12/12 will have little to no branching and in the end your yield takes one for the team but I guess if thats what your looking for continue to do so