It does not have to mean that Harris will lose but what is extraordinary is Trump’s ability to improve his favorability rating in the face of relentlessly hostile media coverage.
According to Byron York, it’s very possible that negative media coverage is actually causing many people to view Trump in a sympathetic light, because “After all, the media are some of the least-trusted institutions in public life, and if top media figures say something, millions of people are likely to think the opposite. It’s hard to see Trump-bashing as helping Trump, but that might be what is going on.