The only time I use tigers fury is if I'm setting up for a gank since you can pre-cast it in stealth right before an energy tick and then one shot someone. Everything I've read says it's a DPS loss in PvE.

I don't usually bother with opening from stealth in PvE outside of specific fights where it can be useful. Bursting down the princess in BRD, for example. It might be more efficient but most of the time I just can't be bothered since I'm only half paying attention whenever I'm grinding dungeons for gear.