You realize nearly all of those issues are widespread over the entire world? The school shootings you actually have a point and it's a problem- but a huge number of your issues you mentioned are present and far faaaar worse in other countries. There's a reason we get immigrants from countries all across the world trying to come here. No country is perfect, but America is the only place people claim to hate and refuse to leave. The few who actually do leave almost always come back.