Yeah totally agree. Imagine if Tears were able to be used anywhere for this purpose, but at a cost. Elizabeth gets weaker the more you do it, meaning Booker needs to protect her, and she can't replenish ammo etc.
It would have made a totally different combat experience.
Today has been quite the eye opener for me, and I really must apologise to you (and Matt M) for not truly understanding your POV on this until now. I always respected your opinion on it, even if I didn't get it. I now do.