That map shows Biden flipping every battle ground state
No it doesn't.making GA a toss up, that hasn’t voted Democrat in two decades, and makes TX a lean trump state, that hasn’t voted Democrat in four decades (and no democrat has come within 10 points of winning in at least two decades).
The model is based on recent polling data. Here are some results of recent polls in GA and TX:
Frankly, at best that map is wishful thinking and more realistically that map is fantasy.
Frankly, I don't see how Georgia could be considered anything but a toss up state and I don't think it would be unreasonable to make Texas one as well.
While it's impressive how effective Trump has been at convincing his supporters that a negative poll is a direct attack on himself and therefore the pollsters must be attacked in his defense, if you step back and consider the experience and track record of the reputable polling companies - you realize there is too much of an incentive for them to be as accurate and unbiased as possible.