You can put it on one point and word. LEGITIMATE. Terrorists has no legitimation and no authorisation. Hamas has, as an elected party of an ethnic group.
In the 30's and 40's. No one would call anyone as a raceist because he calls Germas NAZIs. Because most of them were/are NAZIs, except fews. During Nurnberger process, a joint liability was determined of German folks.
"After I kill your brother."
- Does it give you any rights, to kill mine?
- Are my brother a murderer because I am one?
- Is my brother an accomplice of mine?
- Do you have any rights to destroy my house?
- Do you have any rights to displace me?
and so on..