Dr Rez
Granted, I haven't owned a wide selection of both brands... but let's look at the last few I've carried from each (limited to three, for convenience);
Barrage (581): thickness 0.121
Rift (950): blade thickness 0.114
Anthem (781): thickness 0.112
vs
PM2: blade thickness 0.145
Advocate: thickness 0.118
GB2: thickness 0.118
Im not denying that grind matters, or suggesting that ffg doesn't have an edge (ha) over other choices, when it comes to slicing...but, IME (limited to/by the knives I have owned), Benchmade blades are often as thin as - if not thinner than - blades on competing models. By your own words, that is likely to make them better slicers than the many thicker bladed knives on the market today. My statement was not criticizing Spyderco, and I'm not a Benchmade fanboy.
side note:
I can't help but wonder what people are doing with their pocket knives that they find thumbstuds interfering with a knife's ability to cut/slice. I'm not sure I've ever found that to be a problem. I don't doubt that, at some point during the years that I've carried modem folders, a thumbstud has contacted something I've been cutting...but I must have made a subconscious adjustment and went on with my day. I openly admit that I don't use a modern folder every day, let the dozens (or hundreds) of times that some people here claim...I also don't go looking for reasons to pull out my knife and cut something; so maybe that's part of the problem. (You know, even having a knife or two on my person just about all the time, I find that I generally open my mail without one.)