It looks better than those websites maybe, but obviously people don't care about the looks of a social networking site.
Other than that, it's awesome that he got a copy-cat site up and running 66.5 hours using PHP.
For most people, Free Online Dating is way too much like personals in the newspaper so they don't bother.
It'll be interesting to see if this works. My prediction is that it will wind up overrun by porn spammers.
Yeah it's a bit...not creepy but not the norm.
Your prediction has a flaw: it assumes that it'll grow large enough to be attractive to porn spammers :P
Also, I still don't see what there is to have "work". It's just basic features that I'd expect any social networking site to have. There's nothing dating-specific and no hints seem to be dropped as to what's going to be added.
You could really spend thousands of hours in design of something with so many connected parts as a dating site.