It is a great article, and addresses something that is rather common in conductors: we are often viewed as big violins. While there are some similarities, they are very different instruments. In orchestras, you see violin sections using very long and dramatic bow strokes to get a big sound. If you have a whole section doing this, it is visually very loud. There are times when doubled brass sections are roaring and it wouldn't matter how many strings you have out front, but as long as they look loud, the audience gets the effect. On double bass to get a big loud sound, a much slower bow is needed. Using "more bow" which in this case means a faster bow stroke that forces you to move more from frog to tip instead of using a shorter stroke, is actually counter productive. As Gary Karr points out, if a conductor wants more sound from the bass section and sees them playing with less/slower bow than the rest of the string section, they often ask for more bow because it looks loud. There is a reason that the bows get shorter as you move from violin to bass. If the instrument worked with dramatic long bow strokes the French bass bow would be 7-10cm longer, not shorter that violin bows.
Some conductors want more air in the sound which you get with longer and faster bow strokes, but usually this means compromising fundamental. It sounds ok to them on the podium, but gets completely lost farther back in the hall. Often the palm that Gary Karr is referring to is wrongly issued to bass sections when the cello section is playing much too loudly especially when the parts are doubled, because they hear bass that is too loud and assume it must be the double basses. I have been the only double bass with a section of 10 cellos and told I am too loud, when faking it as described in the article.
The thing that sticks out most to me from the article is that conductors often hear with their eyes. More bow=loud. Big instrument=loud. Dramatic movement=loud. Small controlled bow strokes=... why does this sound louder but look quieter? Live music is a very visual experience, and we often forget that as performers. In two separate masterclasses during my undergraduate, one with a cellist and one with a percussionist, the question "What do you do when you are playing the loudest you can when the conductor wants more?" was addressed. The answer given from both of them boiled down to "Look louder".