After reaching level 90, I ran heroic after heroic obsessively in order to scrape the ilevel needed to enter the Raid Finder. After a few drops and the generosity of a guild leatherworker, I cheerfully queued as a tank for Vaults, and then went off to do dailies, figuring that the wait might be a little longer than normal given the popularity of new raid content, but it probably wouldn't be too bad.
30 minutes later, I shrugged and thought to myself, "Well, everybody's running LFR now."
52 minutes later, it occurred to me while yanking pink turnips out of the ground that I had been a little overoptimistic about wait times. Oh well. The farm wasn't going to tend itself.
An hour and 20 minutes later, I tabbed out of the game to check the forums, wondering if others were complaining about queue times, or if I'd just had a stroke of really bad luck.
Nope. Wait times for tanks through LFR, as a legion of enraged forum posters screamed, were through the roof at the beginning of the expansion. Right now, it seems like DPS players are getting the lion's share of agony. Rather than wait it out, many -- perhaps most -- tank players chose to exploit a loophole that allowed them to get a raid more quickly on a less easily-filled role.