TBH Feint is not a waste. Although it won't be used frequently but there will be times you are caught in big circle AoE where the AoE's cast time is not long enough for you to cast-move like how you do on BLM, you will have to use Feint as a filler like how BLM uses Scathe for that matter. If you move out of that AoE without using a GCD move you are losing DPS.

TP isn't an issue due to the benefits of IJ.