We've found huge advantages to using composite over metal staples.First you won't have to spend hours pulling staples, simply scrape, sand or level them off. Composite staples won't damage tools and can be worked right along with the wood.
Second, the staples bond like epoxy and glue bonds to the composite staple. And where staples penetrate strips... interior and exterior laminations bond through the wood core along form lines.
Finally, high compression and low shear strength means staples drive in to hold strips tight to building forms, but shear off easily when it's time to pull your forms