Hamas is quoted in the WSJ that they rely on the media for some of their numbers, while the media also relies on Hamas for the numbers.
“Yet in a series of lengthy reports, the ministry admits that the figures the media treat as authoritative rely in part on reporting from . . . the media.“ https://www.wsj.com/articles/hamass-numbers-games-civilian-death-counts-casualty-data-b99140eb
It’s simply circular.
But, since you seem to be completely stuck on my statement that “Hamas revised its numbers down by half,” let’s look at what the UN said.
The UN says it is now relying on figures from the Hamas-run health ministry in Gaza, rather than from the Hamas-run Government Media Office (GMO).
This is based on missing information and dubious reporting.
"It's not logically impossible... but it really strains credibility," says Prof Michael Spagat, who specialises in examining death tolls in conflicts around the world.