This type of thread reminds me of when Brian Cushing was in his second season, and the entire defense was so bad that Cushing didn't shine as brightly as his rookie year. The knee-jerkers immediately declared Cushing a one-year wonder, a bust, and steroid dependent. Take a look at this thread for one of the worst examples:
And my response at the time, where the numbers indicated that Cushing was doing just fine:
And here we are in the same scenario with Foster. Foster was even more productive than Tate today. But three games in, people are in freak out mode and wanting to see a very talented player tossed overboard. Or traded, or whatever. It's irrational.