Early polls yes. Polls just before the 2016 election showed closer to a 1/3 chance. And the final results were within the margin of error.

But, these are early polls, so, yes, don't put much stock in them, but not because polling is worthless.

According to the trump crowd, it’s not even over then.

Don't want to encourage complacency, but back then he was a wild card in every sense of the word. Not even his supporters today knew if they were going to vote for him back then. These days, he's a known variable, and observing trends are important. But like I said, don't be complacent, go out there and vote next year.