No, there are lots of people playing criterion. You keep insisting that no one is playing it, and the content is dead. We're telling you that Criterion players tend to not use DF or PF.

(There are actually 3 PFs on Aether right now, all for boss 2. And its kind of late at night.)

If spending time in the rest of XIV hasn't given you some sort of friends list or reclear groups then this is where you start! Open a PF with a 999 ilvl requirement that says something like "LFG criterion learning" and include the time and timezone.