Those polls are rarely accurate especially at the edges (see https://news.ycombinator.com/item?id=5536734). I added a "5,000,001+" option just to see how many people will click it.
Yea I was thinking about that... an option that is so plainly impossible that it doesn't need to be considered (over 1/3 of all BTC does it). I imagine $1.5 million is just on the edge of plausibility for some adventurous, wealthy founders here.