Considering all the rave of BR type straps, I bought a Sunsniper from my local store, about $85. High quality, theft resistant, etc. I hated it. The Shoulder portion seemed very heavy, slick and always fell down. Quite annoying, in spite of all I read of the BR lovers and similar. It simply isn't right for me. I missed my Op/Tech straps of years gone by. Well, after seeing they had a Slider version but with their stickier shoulder strap, I had to try it. Loved it!
Advantages were it is lighter, more flexible, comfortable to store and use, easier to maneuver, held at 2 lugs, freed tripod mount for my Manfrotto plate, less bulky both in use and especially in storage, color selection, 15 years previous experience and price (about $25) . Having my camera stolen by a knife wielding snatcher is low on my list of fears/concerns. I like it so much, I am going to get another for my spare. I did buy extensions, and used just 1 of the 2 to get the perfect length for me, even though I'm just of average height.
BTW; on subject of camera being only held at one point: Tripod mount is a risk, but never bothered me (except loss of QD plate). However, even with 2 points of connection with conventional straps, it still has risk of one point of attachment as the main strap it self could slide apart in some manner, unsnap, untie... Not common if properly assembled of course, but just be aware and be certain all is tight, regardless of brand/style!
Op/Tech actually sells a velcro type piece to wrap around it's Military style connectors to assure they never separate. I never had that problem, except one connector when I was in the military, on my TA-50 strap!