"Logging to syslog is available as part of our commercial subscription only."

http://nginx.org/en/docs/ngx_core_module.html#error_log

"Poe's law, named after its author Nathan Poe, is an Internet adage reflecting the idea that without a clear indication of the author's intent, it is difficult or impossible to tell the difference between an expression of sincere extremism and a parody of extremism."

Edit: excerpt

http://viewdns.info/reverseip/?host=www.hipyoungstartup.com&...

The three other websites mention the same people so it's fair to say the fourth is just another project of theirs.