Gemini Catamarans problems

Was reading where one guy had a steel bolt break that was holding up one of the swinging keels. Why would they not be using stainless for this boat from the factory? His is older model, I wonder if the new models use stainless bolts for the fold up keels.

The guy had some water about 8 gallons come through around that bolt aswell. I thought that pivot bolt is located high enough there would not be that much water reaching up that far, guess it does.

Anyone have this same problem?
I like the idea that these boats can get into shallow water but don't want to have alot of problems either.
probably get more responses from a forum that talks cruising catamarans, the multihull forum on sailing anrachy perhaps, beachcats are generally up to 20ft, 6mt, with no accommodation

http://www.performancecruising.com/gemini105mc