1. One of the reasons of Haredi (ultra orthodox) objection to serve in Army (Israeli draft) is on the score of BrisDin “Katlonis”..that it might affect one’s soul, even when killing is justified. (Yeshivishe T”Ch explained it years ago).
2. We don’t know who Amolek is. Since the time of NACH. Sancheriv bilbeil Kol HoUmos.
3. “Amolek” is also an idea…