Not at all. I like 2mm for the thinnest. Going even thinner doesn't have much appeal for me. You introduce blade flex. You can already have extremely good slicing at 2mm if the blade has the appropriate primary grind.
In perspective Opinel #8 blade is .066" or (1.67mm) thick and tens of thousands have been made and used hard. I don't recall ever hearing any complaints from users about blade failure. Then again they are not idiot proof.
Funny you'd ask! By incident exactly today I decided to deliberately take my Chap (2mm stock) with me in the woods and test it in somewhat harder woodwork. Carving, whittling in hard and soft wood, cutting through nots, twisting the blade, feathersticking, fire making... absolutely NO problem there... i still wish for a Chap XL (exactly the same as the existing Chap, just half an inch longer), even started two threads about that not to long ago.
Top three going by pocket-time: Endura 4 in VG 10/Micarta-scales; Stretch 1 in VG 10; Endura 4 in HAP 40
I used a Centofante that was reground to FFG by Tom Krein. Way thinner behind the edge than a stock Centofante. Had no durability issues with it....and I'm not as gentle with my knives as most folks here.
Anyone worried about this, buy yourself a Swiss Army Knife and an Opinel and go baton wood with them. It sounds dumb, but I've done it, with no ill effects on either knife. Steel is pretty durable stuff
for normal and even hard use cutting tasks, no worries at all. Wouldn't pry with them, though.
EDC Rotation: PITS, Shaman, CF S90v Shaman, Ikuchi, Amalgam, CruCarta Shaman, Lil Native, Sage 5 LW Always in Pocket: Hawkbill Dragonfly 2 H1 Special and Sentimental: Southard, Smallfly G10, Squarehead LW, Calendar Para 3 LW, 40th Anniversary Native Would like to own again: Sheepsfoot Caribbean Wishlist: CQI Kapara, Watu, Tanto PM2, Shaman Sprints!
I best the crap out of my knives, when it comes to cutting. I do not pry with my knives, as they’re obviously not prybars.
I’ve had zero issues, and can only hope that Spyderco and other brands start manufacturing more knives with a thin blade stock and thin grind.
The Chapparel is an incredible knife. Mostly because it’s such a thin knife that cuts well because of it.