He had a terrible, horrible, no good, very bad day vs NE but up until last weekend he'd been OK in coverage. Not great, but solid enough. And he'd been outstanding in run support, waaaaaay better than any of us had any right to expect from him.
Folks using him as some kind of whipping boy and ragging on him to be cut are saying much more about themselves than they are about how Tre White is actually playing.