Potential customers might consider asking...
What are the qualifications of the designer?
How many boat designs has he done?
How many of his designs have actually ever been built?
Why hasn't he built a proof of concept prototype?
So far this seems to me to be an exercise in autocad profiiciency.
If I was going to try to market a boat, especially a small one like that, I'd actually build one. Then I'd test it. Then I'd take lots of pictures of it showing how cool it is, and how it performs.
THEN and only then I'd build a web site and try to sell my wizbang boat.
But I'm a just a guy that actually has a boat, something we don't know if the designer even has.
EDIT...
I looked up the designer on Linkedin, you know the place where professionals network.
I'm not posting his name but his Linkedin profile shows ZERO marine design, or industry experience. He's in the motorcycle parts business. Well, except for his listing his company, the one that has never built a boat.
Now, if he had as part of his profile some training or experience in marine design, or even the marine industry well, I'd take his company a little more seriously.
Except for a CAD drawing of the boat I cannot find that he's ever even expressed an interest in boating online.