They are outstanding tools, though, if you have a wrist injury, a hand/finger injury, or other injury that prevents a firm grip on a weight. They are very useful in combination with cable stacks (just hook the handle into the hooks), tubes (same thing), or dumbbells (for any rowing or pulling exercise). They are a bit iffy for most presses, but tube presses work just fine.
These official went from "what the heck would I ever do with these?" to "I need to keep these handy for my injured clients" in no time.