It relies on having a rational, ethical stance with regard to the protecting human life from unnecessary suffering amidst the understanding of conflict.
Do you think Israelis are guilty by association based on the actions of the IDF in Gaza?
Say that my family and I lived in Rafah. And an IDF militant gleefully put a bullet in my toddler’s brain from his sniping post (verified by US based doctors many times over). Do I as a citizen of Gaza have a right to retaliate?
I think any human being, any parent, would.
Put another way - do you think Gaza has a right to defend itself?