Like many things in life many opinions out there. There are lots of well known home brew folks that would debate both sides of the primary and or no secondary. Most of the home brew classic giants still follow the primary and secondary method. That's the beauty of the hobby diversity.
Not necessarily true about no benefit of removing from primary after High Krasuen. you have the benefit of removing it from the bulk of dead yeast. The components left from the the primary can leave undesirable flavor notes. It also aids in Clearifing