Those limbs are Samicks...and the most expensive on the planet.
I knew you'd go 'there' as to the light arrow thing because that what ILF proponents always do as a last result to declare the 'superiority' of those limbs.
Any limb can shoot light arrows. You enjoy the fact that they warrantee them whilst shooting them...but it reality I doubt they hold up any better than any other limb.
Next you'll bring up the foam cores and how they don't vary as much in humidity blah blah blah.