It's not so terrible if you use a more recent version -- right now, 1.4.0rc1 is the one to go for.
And regarding the quality of the output, it's good enough to make a magazine with*. Granted, there's a hiccup here and there, but you'll also get that with InDesign -- only with prettier error messages.
* Disclosure: I'm one of the designers.
Don't be silly.
If you RTFA, and maybe if you read the artists' statements on this work, you'll find out it's obviously meant to pull things to an extreme in order to make a point. Which is the big problem of having so much personal information centralised and controlled by a private company, as well as the very foggy status of such information -- you're crying out for seeing it on a (fake, in case you missed it) dating site, but having that information relayed to ad companies almost never elicits strong reactions such as yours.
tl;dr: it's not a dating site, it's an art project, don't create straw men.
Politics: A strife of interests masquerading as a contest of principles. The conduct of public affairs for private advantage. -- Ambrose Bierce