Ehhh.. what?
Wow. Well of course it might be very different in the US, as it's not native in the area but in Europe I haven't ever heard anyone think anything bad about house sparrows.
Most of the news I've found regarding house sparrows is that their amount has been declining and people are mostly worried about it :D
We live in such different worlds.
Wow that is odd evidently getting transplanted to America made them vicious opportunists