I have read that article several times. Linebaugh is one of the most knowledgable people on guns of our time. I visit lot of these sights and almost always someone points out that he says "for use in Ruger single actions only". If you read the whole article, towards the bottom he mentions "That since this was written S&W has worked on the problem of cylinders unlocking and rotating backwards", that indicates to me that that was written before the Redhawk came out in .45 [1999] as well as the DanWesson model 45/745 [1990 I believe] and Colt Anaconda. Smith and Wesson did the rework/Endurance enhancements starting in 1988 and ending in 1990. Still people will take what they want to from an article and leave the rest unnoticed, if it helps them make their point.
Since all that was written I have read other articles by Linebuagh and others who always include the above mentioned guns. There are articles by Taffin, Pearce,Seyfried and a host of others that all acknowledge that the Redhawk is the strongest SIXGUN available to us at the present.
Some five-shooters are stronger, that's why I said SIXGUN. The Redhawk is capable of shooting a steady diet of 50,000 p.s.i. loads, but that doesn't mean we have or need to. I strongly agree with Linebaugh, if you need more gun, get a bigger gun.
Whew! I got off on a tangent there. Sorry about that.
Enjoy your gun and please read the articles I mentioned above as well as the links posted by Lee Robinson.