Constant repetition does make it true
"
1,200 innocent Israeli civilians"? It is closer to 400 Israeli civilians.
https://www.haaretz.com/israel-news/2023-10-19/ty-article-magazine/israels-dead-the-names-of-those-killed-in-hamas-massacres-and-the-israel-hamas-war
The Civilians total include (note some may be dual citizens and they all are now "honorary Israeli")
France 35,
Thailand 33,
US 31,
Ukraine 21,
Russia 19,
UK 12,
Nepal 10,
Germany 10,
Argentina 9,
Canada 6,
Romania 5,
Portugal 4,
China 4,
Philippines 4,
Austria 4,
Sri Lanka 1.
2 killed in Eqypt
3 killed in Northern Israel
About 364 were killed at outdoor rave near Re'im, At least some of these where killed by friendly fire.
The vast majority of the Israeli civilians were reservist members of the IDF.
The civilian total also includes kibbutz security team members.
