2.500 children hid by Polish families or in convents - that means that hiding each one of them put at least 3 people at risk of terrible death while watching their whole family being slaughtered for hiding Jews. I'd say there were A LOT of good people. And why "even among Poles"?
Judge orders Jerusalem Gay Pride attacker to undergo psychiatric evaluation (Haaretz)
from the article: Polish walkway named for woman who saved Jews