Is TJs kind of a waste against a short-stack?

[PinkSteel]

The basis of the 5/10 rule, as I understand it -- and of course if someone remembers exactly where it is they can quote and embarrass both of us -- is that it is based on the simple fact that with a pocket pair you are 7.5:1 to flop a set. If you do flop one, you're a huge favorite to win, but you have to compensate somewhat for the fact that you may yet make a mistake or lose the hand. So if your implied odds are 19:1 (the "5"), easy call with your PP; if they're 9:1 (the "10"), that's about the limit of viability, and you should probably fold it. In between it's up to you.

With JTs the math for figuring out what your big flop hand is is much more complicated, especially as many of those hands will be big draws. So a simple rule like the 5/10 doesn't exist (that I know of).