Earlier quoted context omitted.
How is it a bad idea? To find friend you have to start from somewhere right ? One way maybe from this "dating" site
I don't have first hand experience, but my impression is that the best co-founders are those who you've got some history with, who you know and trust. That doesn't happen overnight. Kind of like an actual dating site might be a good way to meet potential marriage partners, but you'd look at someone pretty weird if you went on a date and they suggested they want to get married right away. But who knows; those guys see…
Dating site doesn't imply anything regarding having to get married right away.
Its simply a medium for that initial connection, that's it.