It’s just a very smart way to spread propaganda by using a real statistic out of context.
Of course “70% of the victims are either children or women” sounds horrible - until you realize that a majority of the population there in underage (and therefore children) and that Hama’s is actively using underage children as soldiers - and if you look at the difference between the age structure and the casualties adult males are more likely to be victims than the other groups which are actually underrepresented.
Almost all poor countries have a demographic like this.
Palestine is among the poorest countries in the world