KZ Single Point Bungee Rifle Slings w/ FREE Sling Mounts $15.98

This more or less a question, forget about the ad. I've always been old school as far as a sling goes, 2 points of attachment with just enough slack to wrap it around My arm for support. Tell me why a single point sling might be better.
TSgt David L., SPC Randy Zimmerman,
SGT James Murphy, CPT Jack Durish,
PO3 Bob McCord, SSG Gordon Holmes,
COL Mikel J. Burroughs, SGT Robert Pryor,
SPC Gary Welch, SGT Mark Anderson,
CPL Douglas Chrysler, Maj Marty Hogan,
1SG Steven Imerman, MAJ Karl Swenson,
MSgt Robert "Rock" Aldi, CW5 Jack Cardwell,
MSgt David Hoffman, SSG Michael Noll,
SPC Nancy Greene, CPL Dave Hoover