Intermediate Shaft Question

[Soetekouw]

Is Porsche the only manufacturer that uses an IMS in their cars? And if so, why? I haven't heard of any other car manufacturer having these problems. I am assuming that Porsche knows how to build engines. Than why are we constantly reading about IMS failures? And if Porsche knows about this problem and has not fixed it, than why are we a bunch of lemmings and continue to buy these cars; probably too rich and don't know what to do with our money, or just gluttons for punishment. Either way, this is the first car I have ever owned that scares me to death every time I get in it. Never knowing when it will blow up. But, then again, I enjoy driving it and it looks pretty cool. Maybe that answers my question on why we keep buying this defective product.