really. i figured the SB calling looks pretty damn weak. the initial raiser however, has to be worried about what the SB is calling with and the BB is raising here. i guess you're right about the stack sizes being too small for both to fold, but if you have a half decent hand on the BB a reraise AI may keep the initial raiser out while getting only a call from the SB, who you have covered with a lot of dead money in the pot when the SB has shown no real strength. it doesnt seem like a horrible play if you feel the initial raiser was on a steal attempt, especially with the it being so close to the final table.