Is the UN complicit in Israel's massacre in Gaza?

Over the last two days, various UN officials stated that the percentage of civilians among those Palestinians killed in the current Israeli war of aggression on Gaza is about "25 percent" and is "likely to increase." Assuming the best of intentions, stating such a painfully low figure reflects shabby research or scandalous incompetence. At worst, it reveals intentional deception and misinformation that can only benefit the already massive and well-oiled Israeli public relations machine.