If it worked, it worked! And they weren't stopping him otherwise, these lasers were (of course) not fatal, nor even harmful. Any number of shots would have put all three of them on the ground by now.

Ven grinned when his insane strategy worked, holding down the curtain to the best of his ability to keep Roxas trapped while the other boy thrashed about, trying to knock him off. "Sora! Got him!"