Again this isn't controversial; you're denying something that Hamas themselves acknowledge.

Sky News: "A total of 6,187 deaths had been confirmed via the online form as of 6 August." https://news.sky.com/story/gaza-conflict-thousands-remain-un...

AP: "As Gaza’s hospital system collapsed in December and January, the ministry began relying on hard-to-verify “media reports” to register new deaths. Its March report included 531 individuals who were counted twice, and many deaths were self-reported by families, instead of health officials." https://apnews.com/article/israel-palestinians-hamas-war-cas...

Hamas themselves: https://t.me/s/MOHMediaGaza?before=6390