I waited tables in New York, and when you're in that line of work, you often have a horrible boss.
The fishes are also employed for the same purpose on any yard, which happens to be sprung or fractured. Thus their form, application, and utility are exactly like those of the splinters applied to a broken limb in surgery.
I think we will always have the impulse towards visual poetry with us, and I wouldn't agree with Bly that it's a bad thing. It depends on the ability of the individual poet to do it well, and to make a shape which is interesting enough to hold your attention.

