I'm a bit late on this (holidays) and if (as we all believe) Sensation is watching this thread, they must by now be very embarassed, especially if they really started to build!
With or without courtroom drama (you're right it only benefits to the lawyers!) they face a dilemma, either tell their client or face serious counter-publicity in the (small) superyacht community.
Yes, you should write to them, tell them off in their face, and point to the 100against nil support you got and will get.
On the other hand, be flattered, only the very best get copied!