Before people overthink the polling discrepancy in NY-3.....

[Think. Again.]

7. It seems we're always...

...thinking about why this or that individual poll didn't line up with actual results, as though complicated excuses for all the specific poll failures somehow means that polls in general are fine.

But they aren't. More often than not, polls fail to give a good indication of what the results will be. And that's the bottom line.