Earlier quoted context omitted.
People have done this analysis repeatedly, you just aren't reading it. And polling in 2018 was generally quite good. But again, there's nothing wrong with their "methodologies". Polling errors in 2016 were in fact not far from historical norms. Numerate consensus (c.f. 538) picked a likely but not certain Clinton victory and the result was an extremely narrow loss instead. That stuff happens. Unfortunately a bunch of…
You're arguing against a straw man. I never said that polls are always wrong. My political desires don't hinge on the current polls being wrong. I'm simply asking a question about whether the pollsters have corrected their methodologies. There was clearly something wrong in 2016 when they repeatedly failed to predict the GOP primaries and failed to predict swing states and even some states that weren't considered swi…
Honestly, you're misremembering this. Polls were not wrong in 2016 like you think they were. Just browse through the article history at 538, they really are the best source for this stuff.