That would lead me to ask, why is he making the site? Apparently not to make money. If it's for an honest exploration of good ideas, people are going to have to use it. If they don't even 'like' it, I presume they won't use it.
I could make a site that had nothing than an animated picture of a duck spinning around on the middle of the page, but I wouldn't expect people on Hacker News to think it was meaningful.