Unfortunately, it's actually rather typical. Most of the Colt single actions, percussion and cartridge, of the last 50yrs are intended to be shown and not used. Even Colt manuals reflect this.
Really, I guess the Smiths who built my 2nd Generation Colts were left out of that memo distribution. I've been shooting my Navies since the late 70s and my pocket models since the early 80s on a fairly regular basis. I've replaced a few of trigger bolt springs and one main spring, which is not bad for over 30 years of shooting. And not uncommon for any single action of Colt design.
The statement about the manuals stating they are for show and not to be shot is totally inaccurate. Just to make sure I hadn't missed something, I dug out my "Colt Instruction Manual, Colt Cap and Ball Revolvers" that came with my gun(s) dated 1978 and after re-reading the entire manual, that statement does not exist anywhere in it. It does give specifications on loading ie: powder charge, ball and cap size... Neither does the the color pamphlet that also came with the gun(s)also dated 1978. The pamphlet states "...Made to the same designs and specifications used by Colt in the original issue, this series combines the heritage of the past with the improved metallurgy and manufacturing technologies of today."