While I realise the initial videos are about Western sword, I might point out that in each of the three "misconceptions" listed, when it comes to Japanese swordsmanship, each is taken on a case by case basis. For example, cuts to the arms, underneath the wrists or down onto the elbow or base of the thumb can be fairly common in Kenjutsu, as it's the closest target, and stops your opponent from being able to wield their sword. Striking to the weapon, as well, has been noted. In the Gorin no Sho, Musashi spoke of the "Red Leaves Hit", as well as a "Slapping Parry", both of which target the opponents sword first; many other systems have similar ideas and concepts. And lastly, striking when not in range is also something that can be done in order to draw an opponent to commit to an action, and is typically done against an nervous, or anxious opponent, leading to an opening without putting yourself in undue danger. Again, Musashi referred to this as the "Rhythm of the Second Spring".