Often when people talk about bias, they assume it must be bias against their interests. They don't realize that, if there is room for bias, it's just as easily bias in their favor. The article could overstate either side - or both at different times.
> When we look back at any conflict in history, we see the inflated deaths of civilians, the deflated number of military persons killed - it's propaganda.
That's false. In each event, one side tends to inflate claims like civilian deaths and the other tends to minimize them.