1. Every character is a stereotype of their country, and if that wasn't bad enough they're usually incorrect stereotypes as well. I mean if you want to represent an entire nation with an offensive stereotype atleast try and use the correct ones. No sense doing something unless you plan on doing it well.
2. All Hetalia is essentially, is porn for girls. We can pretend it's a satire on history or country relationships, but that's all it'd be; pretending. The only reason the countries are even there are so that the creator can easily create 20-30 diff't guys for girls to swoon over, and for the english dub a cluster***k of