Wall Street loved Netflix's Q3 earnings. Should you?The streaming wars have been raging for years now, with some of the world's biggest companies fighting for eyeballs. Amazon, Apple, and others are duking it out, spending billions pumping out content in an attempt to capture market share. The war is expensive. Although direct financial and viewership data is hard to pin down -- many companies fold their TV divisions into larger segments -- it's clear that the economics aren't working for many.Few companies ...